Optical lens and electronic equipment

Abstract

The invention discloses an optical lens and electronic equipment comprising the same. The optical lens sequentially comprises a first lens with negative focal power from a first side to a second side along an optical axis, a second lens with negative focal power, a third lens with positive focal power and a fourth lens with negative focal power, the first side surface of the second lens is a convex surface, and the second side surface is a concave surface; a third lens; the second side surface of the fourth lens is a convex surface; a fifth lens element; a sixth lens; and a seventh lens.

Description

Technical Field

[0001] The present application relates to the field of optical elements, and more particularly, to an optical lens and an electronic device. Background Art

[0002] As a key component for an automotive assisted driving system to obtain external information, an optical lens has been widely used in automotive assisted driving systems such as in-vehicle rearview visual systems, dash cams, automatic parking and panoramic parking systems, and road navigation systems.

[0003] In recent years, with the rapid innovation of autonomous driving technology, the performance requirements for in-vehicle front-view optical lenses have become increasingly strict, and they are developing towards high resolution, high definition, high light throughput, miniaturization, and low sensitivity. However, in the prior art, it is difficult for an optical lens suitable for in-vehicle front view to balance the requirements of long-distance imaging and high resolution, and it is also difficult to achieve both long focal length characteristics and large central angular resolution at the same time. In addition, in order to make the optical lens have high light throughput, a relatively large light aperture usually needs to be set, which is contradictory to the miniaturization requirement. At the same time, when the optical lens is to achieve long-distance high resolution, it is difficult to meet the requirement of low sensitivity.

[0004] Therefore, there is an urgent need in the current market for an optical lens with high resolution, high definition, high light throughput, miniaturization, and low sensitivity to meet the requirements of automotive front-view applications. Summary of the Invention

[0005] On the one hand, the present application provides an optical lens. The optical lens includes, in sequence along the optical axis from a first side to a second side: a first lens having a negative optical power, with its first side being convex and its second side being concave; a second lens, with its first side being convex and its second side being concave; a third lens; a fourth lens having a positive optical power, with its second side being convex; a fifth lens; a sixth lens; and a seventh lens.

[0006] In some embodiments, the second lens has a positive optical power or a negative optical power.

[0007] In some embodiments, the third lens has a negative optical power, with its first side being concave and its second side being convex or concave.

[0008] In some embodiments, the third lens has a positive optical power, with its first side being concave and its second side being convex; or its first side being convex and its second side being concave.

[0009] In some embodiments, the first side of the fourth lens is convex or concave.

[0010] In some embodiments, the fifth lens has a positive optical power, with its first side being convex and its second side being convex.

[0011] In some embodiments, the sixth lens has a negative optical power, its first side is concave, and its second side is convex or concave.

[0012] In some embodiments, the fifth lens has a negative optical power, its first side is concave, and its second side is concave.

[0013] In some embodiments, the sixth lens has a positive optical power, its first side is convex, and its second side is convex.

[0014] In some embodiments, the seventh lens has a positive optical power, its first side is convex, and its second side is convex or concave.

[0015] In some embodiments, the seventh lens has a negative optical power, its first side is convex or concave, and its second side is concave.

[0016] In some embodiments, the fifth lens and the sixth lens form a cemented lens.

[0017] In some embodiments, one of the fifth lens and the sixth lens has a positive optical power, and the other has a negative optical power.

[0018] In some embodiments, the optical lens further includes a diaphragm disposed between the third lens and the fourth lens.

[0019] In some embodiments, the first side and / or the second side of the seventh lens has at least one inflection point.

[0020] In some embodiments, at least one of the first side and the second side of the second lens, the first side and the second side of the third lens, and the first side and the second side of the seventh lens is an aspherical mirror surface.

[0021] In some embodiments, the maximum field of view FOV of the optical lens, the total effective focal length F of the optical lens, and the image height H corresponding to the maximum field of view satisfy: (FOV × F) / H ≥ 40.

[0022] In some embodiments, the maximum field of view FOV of the optical lens, the total effective focal length F of the optical lens, and the image height H corresponding to the maximum field of view satisfy: (FOV × F) / H ≥ 50.

[0023] In some embodiments, the total length TTL of the optical lens and the total effective focal length F of the optical lens satisfy: TTL / F ≤ 4.

[0024] In some embodiments, the total length TTL of the optical lens and the total effective focal length F of the optical lens satisfy: TTL / F ≤ 3.8.

[0025] In some embodiments, the total length TTL of the optical lens, the maximum field of view angle θ of the optical lens represented in radian value, and the image height H corresponding to the maximum field of view angle satisfy: TTL / H / θ ≤ 8.

[0026] In some embodiments, the total length TTL of the optical lens, the maximum field of view angle θ of the optical lens represented in radian value, and the image height H corresponding to the maximum field of view angle satisfy: TTL / H / θ ≤ 7.

[0027] In some embodiments, the total length TTL of the optical lens and the maximum aperture DMAX of the first lens to the seventh lens corresponding to the maximum field of view angle of the optical lens satisfy: TTL / DMAX ≤ 4.5.

[0028] In some embodiments, the total length TTL of the optical lens and the maximum aperture DMAX of the first lens to the seventh lens corresponding to the maximum field of view angle of the optical lens satisfy: TTL / DMAX ≤ 3.5.

[0029] In some embodiments, the total effective focal length F of the optical lens, the maximum field of view angle θ of the optical lens represented in radian value, and the maximum aperture D of the first side of the first lens corresponding to the maximum field of view angle of the optical lens satisfy: (F×θ) / D ≥ 0.2.

[0030] In some embodiments, the total effective focal length F of the optical lens, the maximum field of view angle θ of the optical lens represented in radian value, and the maximum aperture D of the first side of the first lens corresponding to the maximum field of view angle of the optical lens satisfy: (F×θ) / D ≥ 0.3.

[0031] In some embodiments, the total effective focal length F of the optical lens and the maximum field of view angle θ of the optical lens represented in radian value satisfy: F / θ ≥ 5.

[0032] In some embodiments, the total effective focal length F of the optical lens and the maximum field of view angle θ of the optical lens represented in radian value satisfy: F / θ ≥ 8.

[0033] In some embodiments, the maximum field of view angle θ of the optical lens represented in radian value, the maximum aperture D of the first side of the first lens corresponding to the maximum field of view angle, and the image height H corresponding to the maximum field of view angle satisfy: D / H / θ ≤ 4.5.

[0034] In some embodiments, the maximum field of view angle θ of the optical lens represented in radian value, the maximum aperture D of the first side of the first lens corresponding to the maximum field of view angle, and the image height H corresponding to the maximum field of view angle satisfy: D / H / θ ≤ 3.5.

[0035] In some embodiments, the maximum clear aperture D of the first side of the first lens corresponding to the maximum field of view angle of the optical lens, the image height H corresponding to the maximum field of view angle, and the total effective focal length F of the optical lens satisfy: D / H / F ≤ 0.4.

[0036] In some embodiments, the maximum clear aperture D of the first side of the first lens corresponding to the maximum field of view angle of the optical lens, the image height H corresponding to the maximum field of view angle, and the total effective focal length F of the optical lens satisfy: D / H / F ≤ 0.32.

[0037] In some embodiments, the total effective focal length F of the optical lens and the image height H corresponding to the maximum field of view angle of the optical lens satisfy: 0.5 ≤ F / H ≤ 2.

[0038] In some embodiments, the total effective focal length F of the optical lens and the image height H corresponding to the maximum field of view angle of the optical lens satisfy: 0.2 ≤ F / H ≤ 3.

[0039] In some embodiments, the total effective focal length F of the optical lens and the entrance pupil diameter ENPD of the optical lens satisfy: F / ENPD ≤ 2.

[0040] In some embodiments, the total effective focal length F of the optical lens and the entrance pupil diameter ENPD of the optical lens satisfy: F / ENPD ≤ 1.8.

[0041] In some embodiments, the total effective focal length F of the optical lens, the entrance pupil diameter ENPD of the optical lens, and the maximum clear aperture D of the first side of the first lens corresponding to the maximum field of view angle of the optical lens satisfy: F / ENPD / D ≤ 0.3.

[0042] In some embodiments, the total effective focal length F of the optical lens, the entrance pupil diameter ENPD of the optical lens, and the maximum clear aperture D of the first side of the first lens corresponding to the maximum field of view angle of the optical lens satisfy: F / ENPD / D ≤ 0.2.

[0043] In some embodiments, the maximum field of view angle θ of the optical lens represented in radian value, the image height H corresponding to the maximum field of view angle, and the total effective focal length F of the optical lens satisfy: 0.4 ≤ (H / 2) / (F × tan(θ / 2)) ≤ 2.

[0044] In some embodiments, the maximum field of view angle θ of the optical lens represented in radian value, the image height H corresponding to the maximum field of view angle, and the total effective focal length F of the optical lens satisfy: 0.6 ≤ (H / 2) / (F × tan(θ / 2)) ≤ 1.5.

[0045] In some embodiments, the total effective focal length F of the optical lens, the maximum field of view angle θ of the optical lens expressed in radians, and the image height H corresponding to the maximum field of view angle satisfy: F×|(H - F×θ) / (F×θ)|≥1.

[0046] In some embodiments, the total effective focal length F of the optical lens, the maximum field of view angle θ of the optical lens expressed in radians, and the image height H corresponding to the maximum field of view angle satisfy: F×|(H - F×θ) / (F×θ)|≥1.2.

[0047] In some embodiments, the radius of curvature R2 of the second side of the first lens and the radius of curvature R4 of the second side of the second lens satisfy: R2 / R4≥0.001.

[0048] In some embodiments, the radius of curvature R2 of the second side of the first lens and the radius of curvature R4 of the second side of the second lens satisfy: R2 / R4≥0.5.

[0049] In some embodiments, the effective focal length F1 of the first lens and the total effective focal length F of the optical lens satisfy: -15≤F1 / F≤ -0.5.

[0050] In some embodiments, the effective focal length F1 of the first lens and the total effective focal length F of the optical lens satisfy: -25≤F1 / F≤ -0.3.

[0051] In some embodiments, the effective focal length F4 of the fourth lens and the total effective focal length F of the optical lens satisfy: 0.3≤F4 / F≤3.

[0052] In some embodiments, the effective focal length F4 of the fourth lens and the total effective focal length F of the optical lens satisfy: F4 / F≤25.

[0053] In some embodiments, the effective focal length F5 of the fifth lens and the total effective focal length F of the optical lens satisfy: 0.2≤|F5 / F|≤2.5.

[0054] In some embodiments, the effective focal length F5 of the fifth lens and the total effective focal length F of the optical lens satisfy: 0.4≤|F5 / F|≤1.6.

[0055] In some embodiments, the effective focal length F6 of the sixth lens and the total effective focal length F of the optical lens satisfy: 0.1≤|F6 / F|≤3.

[0056] In some embodiments, the effective focal length F6 of the sixth lens and the total effective focal length F of the optical lens satisfy: 0.2≤|F6 / F|≤1.5.

[0057] In some embodiments, the distance d2 on the optical axis from the second side surface of the first lens to the first side surface of the second lens, the central thickness d1 of the first lens on the optical axis, and the central thickness d3 of the second lens on the optical axis satisfy: d2 / (d1 + d3) ≤ 0.5.

[0058] In some embodiments, the distance d2 on the optical axis from the second side surface of the first lens to the first side surface of the second lens, the central thickness d1 of the first lens on the optical axis, and the central thickness d3 of the second lens on the optical axis satisfy: d2 / (d1 + d3) ≤ 0.25.

[0059] In some embodiments, the distance d2 on the optical axis from the second side surface of the first lens to the first side surface of the second lens and the total length TTL of the optical lens satisfy: d2 / TTL ≤ 0.1.

[0060] In some embodiments, the distance d2 on the optical axis from the second side surface of the first lens to the first side surface of the second lens and the total length TTL of the optical lens satisfy: d2 / TTL ≤ 0.05.

[0061] In some embodiments, the distance d6 on the optical axis from the second side surface of the third lens to the diaphragm, the distance d7 on the optical axis from the diaphragm to the first side surface of the fourth lens, and the curvature radius R7 of the first side surface of the fourth lens satisfy: |(d6 + d7) / R7| ≤ 0.3.

[0062] In some embodiments, the distance d6 on the optical axis from the second side surface of the third lens to the diaphragm, the distance d7 on the optical axis from the diaphragm to the first side surface of the fourth lens, and the curvature radius R7 of the first side surface of the fourth lens satisfy: |(d6 + d7) / R7| ≤ 1.

[0063] In some embodiments, the distance d4 on the optical axis from the second side surface of the second lens to the first side surface of the third lens, the distance d9 on the optical axis from the second side surface of the fourth lens to the first side surface of the fifth lens, and the central thickness d8 of the fourth lens on the optical axis satisfy: |d4 - d9| / d8 ≥ 0.2.

[0064] In some embodiments, the distance d4 on the optical axis from the second side surface of the second lens to the first side surface of the third lens, the distance d9 on the optical axis from the second side surface of the fourth lens to the first side surface of the fifth lens, and the central thickness d8 of the fourth lens on the optical axis satisfy: |d4 - d9| / d8 ≥ 0.25.

[0065] In some embodiments, the sagitta SAG14 of the second side surface of the seventh lens and the curvature radius R14 of the second side surface of the seventh lens satisfy: |SAG14 / R14| ≤ 0.3.

[0066] In some embodiments, the sag SAG14 of the second side surface of the seventh lens and the radius of curvature R14 of the second side surface of the seventh lens satisfy: |SAG14 / D14| ≤ 0.2.

[0067] In some embodiments, the sag SAG10 of the cemented surface of the cemented lens and the maximum clear aperture D10 of the cemented surface corresponding to the maximum field of view angle of the optical lens satisfy: 0.02 ≤ |arctan(SAG10 / D10)| ≤ 0.6.

[0068] In some embodiments, the sag SAG10 of the cemented surface of the cemented lens and the maximum clear aperture D10 of the cemented surface corresponding to the maximum field of view angle of the optical lens satisfy: 0.02 ≤ |arctan(SAG10 / D10)| ≤ 0.6.

[0069] In some embodiments, the combined focal length F56 of the fifth lens and the sixth lens and the total effective focal length F of the optical lens satisfy: 1 ≤ |F56 / F| ≤ 26.

[0070] In some embodiments, the combined focal length F56 of the fifth lens and the sixth lens and the total effective focal length F of the optical lens satisfy: |F56 / F| ≤ 50.

[0071] In some embodiments, the radius of curvature R3 of the first side surface of the second lens and the radius of curvature R4 of the second side surface of the second lens satisfy: 0.1 ≤ R3 / R4 ≤ 3.

[0072] In some embodiments, the radius of curvature R3 of the first side surface of the second lens and the radius of curvature R4 of the second side surface of the second lens satisfy: 0.8 ≤ R3 / R4 ≤ 2.

[0073] On the other hand, the present application also provides an optical lens. The optical lens includes: sequentially including, along the optical axis, from the first side to the second side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens, wherein, the first lens has a negative optical power; the fourth lens has a positive optical power; and the total length TTL of the optical lens and the total effective focal length F of the optical lens satisfy: TTL / F ≤ 4.

[0074] In some embodiments, the first side surface of the first lens is a convex surface, and the second side surface is a concave surface.

[0075] In some embodiments, the second lens has a positive optical power or a negative optical power.

[0076] In some embodiments, the third lens has a negative optical power, its first side surface is a concave surface, and the second side surface is a convex surface or a concave surface.

[0077] In some embodiments, the third lens has a positive optical power, with its first side being concave and its second side being convex; or its first side being convex and its second side being concave.

[0078] In some embodiments, the first side of the fourth lens is convex or concave, and the second side is convex.

[0079] In some embodiments, the fifth lens has a positive optical power, with its first side being convex and its second side being convex.

[0080] In some embodiments, the sixth lens has a negative optical power, with its first side being concave and its second side being convex or concave.

[0081] In some embodiments, the fifth lens has a negative optical power, with its first side being concave and its second side being concave.

[0082] In some embodiments, the sixth lens has a positive optical power, with its first side being convex and its second side being convex.

[0083] In some embodiments, the seventh lens has a positive optical power, with its first side being convex and its second side being convex or concave.

[0084] In some embodiments, the seventh lens has a negative optical power, with its first side being convex or concave and its second side being concave.

[0085] In some embodiments, the fifth lens and the sixth lens form a cemented lens.

[0086] In some embodiments, one of the fifth lens and the sixth lens has a positive optical power and the other has a negative optical power.

[0087] In some embodiments, the optical lens further includes a diaphragm disposed between the third lens and the fourth lens.

[0088] In some embodiments, the first side and / or the second side of the seventh lens has at least one inflection point.

[0089] In some embodiments, at least one of the first side and the second side of the second lens, the first side and the second side of the third lens, and the first side and the second side of the seventh lens is an aspherical mirror surface.

[0090] In some embodiments, the total length TTL of the optical lens and the total effective focal length F of the optical lens satisfy: TTL / F ≤ 3.8.

[0091] In some embodiments, the maximum field of view FOV of the optical lens and the image height H corresponding to the maximum field of view satisfy: (FOV × F) / H ≥ 40.

[0092] In some embodiments, the maximum field of view angle FOV of the optical lens and the image height H corresponding to the maximum field of view angle satisfy: (FOV × F) / H ≥ 50.

[0093] In some embodiments, the maximum field of view angle θ of the optical lens expressed in radian value and the image height H corresponding to the maximum field of view angle satisfy: TTL / H / θ ≤ 8.

[0094] In some embodiments, the maximum field of view angle θ of the optical lens expressed in radian value and the image height H corresponding to the maximum field of view angle satisfy: TTL / H / θ ≤ 7.

[0095] In some embodiments, the maximum clear aperture DMAX of the first lens to the seventh lens corresponding to the maximum field of view angle of the optical lens satisfies: TTL / DMAX ≤ 4.5.

[0096] In some embodiments, the maximum clear aperture DMAX of the first lens to the seventh lens corresponding to the maximum field of view angle of the optical lens satisfies: TTL / DMAX ≤ 3.5.

[0097] In some embodiments, the maximum field of view angle θ of the optical lens expressed in radian value and the maximum clear aperture D of the first side of the first lens corresponding to the maximum field of view angle of the optical lens satisfy: (F × θ) / D ≥ 0.2.

[0098] In some embodiments, the maximum field of view angle θ of the optical lens expressed in radian value and the maximum clear aperture D of the first side of the first lens corresponding to the maximum field of view angle of the optical lens satisfy: (F × θ) / D ≥ 0.3.

[0099] In some embodiments, the maximum field of view angle θ of the optical lens expressed in radian value satisfies: F / θ ≥ 5.

[0100] In some embodiments, the maximum field of view angle θ of the optical lens expressed in radian value satisfies: F / θ ≥ 8.

[0101] In some embodiments, the maximum field of view angle θ of the optical lens expressed in radian value, the maximum clear aperture D of the first side of the first lens corresponding to the maximum field of view angle, and the image height H corresponding to the maximum field of view angle satisfy: D / H / θ ≤ 4.5.

[0102] In some embodiments, the maximum field of view angle θ of the optical lens expressed in radian value, the maximum clear aperture D of the first side of the first lens corresponding to the maximum field of view angle, and the image height H corresponding to the maximum field of view angle satisfy: D / H / θ ≤ 3.5.

[0103] In some embodiments, the maximum clear aperture D of the first side of the first lens corresponding to the maximum field of view angle of the optical lens and the image height H corresponding to the maximum field of view angle satisfy: D / H / F ≤ 0.4.

[0104] In some embodiments, the maximum clear aperture D of the first side of the first lens corresponding to the maximum field of view angle of the optical lens and the image height H corresponding to the maximum field of view angle satisfy: D / H / F ≤ 0.32.

[0105] In some embodiments, the image height H corresponding to the maximum field of view angle of the optical lens satisfies: 0.5 ≤ F / H ≤ 2.

[0106] In some embodiments, the image height H corresponding to the maximum field of view angle of the optical lens satisfies: 0.2 ≤ F / H ≤ 3.

[0107] In some embodiments, the entrance pupil diameter ENPD of the optical lens satisfies: F / ENPD ≤ 2.

[0108] In some embodiments, the entrance pupil diameter ENPD of the optical lens satisfies: F / ENPD ≤ 1.8.

[0109] In some embodiments, the entrance pupil diameter ENPD of the optical lens and the maximum clear aperture D of the first side of the first lens corresponding to the maximum field of view angle of the optical lens satisfy: F / ENPD / D ≤ 0.3.

[0110] In some embodiments, the entrance pupil diameter ENPD of the optical lens and the maximum clear aperture D of the first side of the first lens corresponding to the maximum field of view angle of the optical lens satisfy: F / ENPD / D ≤ 0.2.

[0111] In some embodiments, the maximum field of view angle θ of the optical lens represented in radian value and the image height H corresponding to the maximum field of view angle satisfy: 0.4 ≤ (H / 2) / (F × tan(θ / 2)) ≤ 2.

[0112] In some embodiments, the maximum field of view angle θ of the optical lens represented in radian value and the image height H corresponding to the maximum field of view angle satisfy: 0.6 ≤ (H / 2) / (F × tan(θ / 2)) ≤ 1.5. In some embodiments, the maximum field of view angle θ of the optical lens represented in radian value and the image height H corresponding to the maximum field of view angle satisfy: F × |(H - F × θ) / (F × θ)| ≥ 1.

[0113] In some embodiments, the maximum field of view angle θ of the optical lens represented in radian value and the image height H corresponding to the maximum field of view angle satisfy: F × |(H - F × θ) / (F × θ)| ≥ 1.2.

[0114] In some embodiments, the radius of curvature R2 of the second side surface of the first lens and the radius of curvature R4 of the second side surface of the second lens satisfy: R2 / R4 ≥ 0.001.

[0115] In some embodiments, the radius of curvature R2 of the second side surface of the first lens and the radius of curvature R4 of the second side surface of the second lens satisfy: R2 / R4 ≥ 0.5.

[0116] In some embodiments, the effective focal length F1 of the first lens satisfies: -15 ≤ F1 / F ≤ -0.5.

[0117] In some embodiments, the effective focal length F1 of the first lens satisfies: -25 ≤ F1 / F ≤ -0.3.

[0118] In some embodiments, the effective focal length F4 of the fourth lens satisfies: 0.3 ≤ F4 / F ≤ 3.

[0119] In some embodiments, the effective focal length F4 of the fourth lens satisfies: F4 / F ≤ 25.

[0120] In some embodiments, the effective focal length F5 of the fifth lens satisfies: 0.2 ≤ |F5 / F| ≤ 2.5.

[0121] In some embodiments, the effective focal length F5 of the fifth lens satisfies: 0.4 ≤ |F5 / F| ≤ 1.6.

[0122] In some embodiments, the effective focal length F6 of the sixth lens satisfies: 0.1 ≤ |F6 / F| ≤ 3.

[0123] In some embodiments, the effective focal length F6 of the sixth lens satisfies: 0.2 ≤ |F6 / F| ≤ 1.5.

[0124] In some embodiments, the distance d2 on the optical axis from the second side surface of the first lens to the first side surface of the second lens, the central thickness d1 of the first lens on the optical axis, and the central thickness d3 of the second lens on the optical axis satisfy: d2 / (d1 + d3) ≤ 0.5.

[0125] In some embodiments, the distance d2 on the optical axis from the second side surface of the first lens to the first side surface of the second lens, the central thickness d1 of the first lens on the optical axis, and the central thickness d3 of the second lens on the optical axis satisfy: d2 / (d1 + d3) ≤ 0.25.

[0126] In some embodiments, the distance d2 on the optical axis from the second side surface of the first lens to the first side surface of the second lens satisfies: d2 / TTL ≤ 0.1.

[0127] In some embodiments, the distance d2 on the optical axis from the second side surface of the first lens to the first side surface of the second lens satisfies: d2 / TTL ≤ 0.05.

[0128] In some embodiments, the distance d6 on the optical axis from the second side surface of the third lens to the aperture stop, the distance d7 on the optical axis from the aperture stop to the first side surface of the fourth lens, and the radius of curvature R7 of the first side surface of the fourth lens satisfy: |(d6 + d7) / R7| ≤ 0.3.

[0129] In some embodiments, the distance d6 on the optical axis from the second side surface of the third lens to the aperture stop, the distance d7 on the optical axis from the aperture stop to the first side surface of the fourth lens, and the radius of curvature R7 of the first side surface of the fourth lens satisfy: |(d6 + d7) / R7| ≤ 1.

[0130] In some embodiments, the distance d4 on the optical axis from the second side surface of the second lens to the first side surface of the third lens, the distance d9 on the optical axis from the second side surface of the fourth lens to the first side surface of the fifth lens, and the central thickness d8 of the fourth lens on the optical axis satisfy: |d4 - d9| / d8 ≥ 0.2.

[0131] In some embodiments, the distance d4 on the optical axis from the second side surface of the second lens to the first side surface of the third lens, the distance d9 on the optical axis from the second side surface of the fourth lens to the first side surface of the fifth lens, and the central thickness d8 of the fourth lens on the optical axis satisfy: |d4 - d9| / d8 ≥ 0.25.

[0132] In some embodiments, the sagittal height SAG14 of the second side surface of the seventh lens and the radius of curvature R14 of the second side surface of the seventh lens satisfy: |SAG14 / R14| ≤ 0.3.

[0133] In some embodiments, the sagittal height SAG14 of the second side surface of the seventh lens and the radius of curvature R14 of the second side surface of the seventh lens satisfy: |SAG14 / D14| ≤ 0.2.

[0134] In some embodiments, the sagittal height SAG10 of the cemented surface of the cemented lens and the maximum clear aperture D10 of the cemented surface corresponding to the maximum field of view angle of the optical lens satisfy: 0.02 ≤ |arctan(SAG10 / D10)| ≤ 0.6.

[0135] In some embodiments, the sagittal height SAG10 of the cemented surface of the cemented lens and the maximum clear aperture D10 of the cemented surface corresponding to the maximum field of view angle of the optical lens satisfy: 0.05 ≤ |arctan(SAG10 / D10)| ≤ 0.4.

[0136] In some embodiments, the combined focal length F56 of the fifth lens and the sixth lens satisfies: 1 ≤ |F56 / F| ≤ 26.

[0137] In some embodiments, the combined focal length F56 of the fifth lens and the sixth lens satisfies: |F56 / F| ≤ 50.

[0138] In some embodiments, the radius of curvature R3 of the first side surface of the second lens and the radius of curvature R4 of the second side surface of the second lens satisfy: 0.1 ≤ R3 / R4 ≤ 3.

[0139] In some embodiments, the radius of curvature R3 of the first side surface of the second lens and the radius of curvature R4 of the second side surface of the second lens satisfy: 0.8 ≤ R3 / R4 ≤ 2.

[0140] On the other hand, the present application also provides an electronic device, including an optical lens provided according to the present application and an imaging element for converting an optical image formed by the optical lens into an electrical signal.

[0141] The present application uses seven lenses. By optimizing the shapes, optical powers, etc. of the respective lenses, the optical lens has at least one beneficial effect such as high resolution (above 8M), high definition, high light transmittance, miniaturization, small aperture, long focal length, small CRA, and low sensitivity. BRIEF DESCRIPTION OF THE DRAWINGS

[0142] In conjunction with the accompanying drawings, through the following detailed description of non-limiting embodiments, other features, objects, and advantages of the present application will become more apparent. In the drawings:

[0143] Figure 1 is a schematic structural diagram showing the optical lens according to Embodiment 1 of the present application;

[0144] Figure 2 is a schematic structural diagram showing the optical lens according to Embodiment 2 of the present application;

[0145] Figure 3 is a schematic structural diagram showing the optical lens according to Embodiment 3 of the present application;

[0146] Figure 4 is a schematic structural diagram showing the optical lens according to Embodiment 4 of the present application;

[0147] Figure 5 is a schematic structural diagram showing the optical lens according to Embodiment 5 of the present application;

[0148] Figure 6 is a schematic structural diagram showing the optical lens according to Embodiment 6 of the present application;

[0149] Figure 7Schematic structural diagram of an optical lens according to Embodiment 7 of the present application;

[0150] Figure 8 Schematic structural diagram of an optical lens according to Embodiment 8 of the present application;

[0151] Figure 9 Schematic structural diagram of an optical lens according to Embodiment 9 of the present application;

[0152] Figure 10 Schematic structural diagram of an optical lens according to Embodiment 10 of the present application;

[0153] Figure 11 Schematic structural diagram of an optical lens according to Embodiment 11 of the present application;

[0154] Figure 12 Schematic structural diagram of an optical lens according to Embodiment 12 of the present application;

[0155] Figure 13 Schematic structural diagram of an optical lens according to Embodiment 13 of the present application;

[0156] Figure 14 Schematic structural diagram of an optical lens according to Embodiment 14 of the present application;

[0157] Figure 15 Schematic structural diagram of an optical lens according to Embodiment 15 of the present application; and

[0158] Figure 16 Schematic structural diagram of an optical lens according to Embodiment 16 of the present application. Detailed implementation manners

[0159] To facilitate the understanding of the present application, the present application will be described more comprehensively below with reference to the relevant drawings. It should be understood that these detailed descriptions are only descriptions of the exemplary embodiments of the present application and do not limit the scope of the present application in any way. Throughout the specification, the same reference numerals refer to the same elements. The expression "and / or" includes any and all combinations of one or more of the associated listed items.

[0160] It should be noted that in this specification, the expressions such as first, second, and third are only used to distinguish one feature from another feature and do not represent any limitation on the feature. Therefore, without departing from the teachings of the present application, the first lens discussed below may also be referred to as the second lens or the third lens.

[0161] In the drawings, for ease of illustration, the thickness, dimensions, and shape of the lens have been slightly exaggerated. Specifically, the spherical or aspherical shapes shown in the drawings are presented by way of example. That is, the spherical or aspherical shapes are not limited to those shown in the drawings. The drawings are for illustrative purposes only and are not drawn to an exact scale.

[0162] In this document, the paraxial region refers to the region near the optical axis. If the lens surface is convex and the position of the convex surface is not defined, it means that the lens surface is convex at least in the paraxial region; if the lens surface is concave and the position of the concave surface is not defined, it means that the lens surface is concave at least in the paraxial region. The surface of each lens closest to the first side is called the first side surface of the lens, the surface of each lens closest to the second side is called the second side surface of the lens, and the surface of the optical lens closest to the second side is called the second side surface of the optical lens. Exemplarily, the first side may be the object side and the second side may be the image side; or, the first side may be the imaging side and the second side may be the image source side.

[0163] It should also be understood that the terms "comprises", "comprising", "has", "including", and / or "including having", when used in this specification, indicate the presence of the stated features, elements, and / or components, but do not exclude the presence or addition of one or more other features, elements, components, and / or combinations thereof. In addition, when an expression such as "at least one of..." appears after a list of listed features, it modifies the entire list of listed features, rather than individual elements in the list. In addition, when describing embodiments of the present application, the use of "may" indicates "one or more embodiments of the present application". And the term "exemplary" is intended to refer to an example or illustration.

[0164] Unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It should also be understood that terms (such as those defined in a common dictionary) should be interpreted as having a meaning consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formalized sense unless expressly so defined herein.

[0165] It should be noted that, without conflict, the embodiments and features in the embodiments of this application may be combined with each other. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0166] The features, principles, and other aspects of the present application are described in detail below.

[0167] In an exemplary embodiment, the optical lens includes, for example, seven lenses with optical power, namely, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. These seven lenses are arranged in sequence along the optical axis from the first side to the second side.

[0168] In an exemplary embodiment, the optical lens provided in the present application can be used as, for example, a vehicle front view lens. At this time, the first side of the optical lens can be the object side, and the second side can be the image side. Light rays from the object side can form an image on the image side, and the second side surface of the optical lens can be the imaging surface of the optical lens.

[0169] In an exemplary embodiment, the optical lens provided in the present application can be used as, for example, a projection lens or a radar emission lens. At this time, the second side of the optical lens can be the image source side, and the first side can be the imaging side. Light rays from the image source side can form an image on the imaging side. The second side surface of the optical lens can be the image source surface of the optical lens.

[0170] In an exemplary embodiment, the optical lens may further include a photosensitive element disposed on the second side surface. Optionally, the photosensitive element disposed on the second side surface can be a charge-coupled device (CCD) or a complementary metal-oxide-semiconductor device (CMOS).

[0171] In an exemplary embodiment, the first lens may have a negative optical power and may have a convex-concave surface type. The first lens has a negative optical power and has a diverging effect on the light rays passing through the first lens. The light rays emitted from the first lens can maintain an upward trend. Under the condition of the same field of view angle, the light rays emitted from the second side surface of the first lens can enable the rear optical system to have a larger light receiving surface, increase the aperture, achieve a larger light input amount, and increase the brightness of the imaging surface. The first side surface of the first lens is convex, which can make the incident angles of light rays in different fields of view on the first side surface of the first lens smaller. After passing through the first lens and reaching the rear optical system, it is beneficial to receive light rays in different fields of view and reduce the aberration generated in different fields of view. The second side surface of the first lens is concave, which is beneficial to the smooth transition of light rays in the first lens, helps to improve the resolution ability, and reduces the sensitivity.

[0172] In an exemplary embodiment, the second lens may have a positive or negative optical power and may have a convex-concave surface type. For example, when the second lens has a positive optical power, the light rays exiting the second lens may maintain an upward trend while reducing the aperture of the rear optical system, which is beneficial for miniaturizing the optical lens. Another example is that when the second lens has a negative optical power, it can diverge the light rays from the front optical system, enabling the rear optical system to have a larger light receiving surface, increasing the aperture, achieving a larger light input, and increasing the brightness of the imaging surface. In addition, the first side of the second lens is convex, which can converge light rays and reduce the aperture of the rear optical system, facilitating the miniaturization of the optical lens. The second side of the second lens is concave, which can diverge light rays, keeping the exiting light rays on an upward trend. Under the same field of view angle condition, it can enable the rear optical system to have a larger light receiving surface, increase the aperture, achieve a larger light input, and increase the brightness of the imaging surface.

[0173] In an exemplary embodiment, the third lens may have a negative optical power and may have a concave-convex surface type or a double concave surface type. Since the third lens has a negative optical power, it can diverge the light rays from the front optical system, enabling the rear optical system to have a larger light receiving surface, increasing the aperture, achieving a larger light input, and increasing the brightness of the imaging surface. The first side of the third lens is concave, which can make the incident angle of the light rays entering the third lens smaller, facilitating the smooth passage of the light rays to the rear optical system, helping to improve the resolution and reduce the sensitivity. For example, if the second side of the third lens is convex, it can make the exit angle of the light rays after passing through the third lens smaller, facilitating the smooth passage of the light rays to the rear optical system, helping to improve the resolution and reduce the sensitivity. Another example is that when the second side of the third lens is concave, it can diverge the light rays, enabling the rear optical system to have a larger light receiving surface, increasing the aperture, achieving a larger light input, and increasing the brightness of the imaging surface.

[0174] In an exemplary embodiment, the third lens may have a positive optical power and may have a concave-convex surface type or a convex-concave surface type. Since the third lens has a positive optical power, it can converge light rays. Moreover, it can not only enable the diverging light rays to smoothly enter the rear optical system but also lower the position where the light rays are incident on the rear optical system, which is beneficial for reducing the rear aperture and achieving miniaturization. The first side of the third lens is convex, which can lower the light ray trend and better receive the light rays exiting the second lens, helping to reduce the light loss in each field of view and improve the illuminance in each field of view.

[0175] In an exemplary embodiment, the fourth lens may have a positive optical power, and the fourth lens may have a biconvex shape or a convex-concave shape. The fourth lens having a positive optical power can effectively converge the light rays from the front, which is beneficial to reducing the rear aperture diameter. For example, if the first side surface of the fourth lens is convex, it can effectively converge the light rays, lower the height of the rear light rays, thereby reducing the rear aperture diameter and contributing to miniaturization. Also, for example, if the first side surface of the fourth lens is concave, the incident angle of the light rays entering the fourth lens can be made smaller, and the light rays can reach the rear optical system smoothly, which is beneficial to reducing aberrations, improving the resolution ability, and reducing sensitivity. The second side surface of the fourth lens is convex, which can further change the light ray trend, lower the height of the rear light rays, thereby reducing the rear aperture diameter and contributing to miniaturization.

[0176] In an exemplary embodiment, the fifth lens may have a positive optical power and may have a biconvex shape. The fifth lens having a positive optical power, when paired with the sixth lens having a negative optical power, can smoothly transition the light rays emitted from the fourth lens, and while ensuring a compact structure and low sensitivity, can also fully correct various aberrations and improve the resolution ability. The first side surface of the fifth lens is convex, which can make the incident angle of the light rays entering the fifth lens smaller, and the light rays can reach the rear optical system smoothly, which is beneficial to improving the resolution ability and reducing sensitivity. The second side surface of the fifth lens is convex. For example, by forming a cemented lens with the sixth lens, it can reasonably distribute the refractive indices of the fifth lens and the sixth lens, effectively improve aberrations, and improve the resolution ability.

[0177] In an exemplary embodiment, the fifth lens may have a negative optical power and may have a biconcave shape. The fifth lens having a negative optical power can effectively change the light ray trend and can also smooth the converging light rays from the front, which is beneficial to balancing aberrations and contributing to achieving a long focal length characteristic and expanding the imaging surface. The first side surface of the fifth lens is concave, which can smooth the converging light rays from the front, which is beneficial to balancing the aberrations of each field of view and contributing to achieving the long focal length characteristic and expanding the imaging surface. The second side surface of the fifth lens is concave. For example, by forming a cemented lens with the sixth lens, it can reasonably distribute the refractive indices of the fifth lens and the sixth lens, effectively improve aberrations, and improve the resolution ability.

[0178] In an exemplary embodiment, the sixth lens may have a positive optical power and may have a biconvex shape. The sixth lens having a positive optical power is beneficial to balancing aberrations and can effectively change the light ray trend and converge the light rays, and can also compress the rear aperture diameter. The first side surface of the sixth lens is convex, which is beneficial to balancing aberrations and can effectively change the light ray trend and converge the light rays, and can also compress the rear aperture diameter. The second side surface of the sixth lens is convex, which can lower the light rays, which is beneficial to reducing the rear aperture diameter and achieving miniaturization.

[0179] In an exemplary embodiment, the sixth lens may have a negative optical power and may have a concave-convex surface type or a biconcave surface type. The sixth lens having a negative optical power can diverge light, which is beneficial to balance aberrations and helps to achieve a telephoto characteristic and expand the imaging surface. The first side surface of the sixth lens is concave, which can diverge light, is beneficial to balance the aberrations of each field of view, and helps to achieve a telephoto characteristic and expand the imaging surface. The second side surface of the sixth lens is concave, which is beneficial to balance the aberrations of each field of view, and helps to achieve a telephoto characteristic and expand the imaging surface.

[0180] In an exemplary embodiment, the seventh lens may have a positive optical power and may have a convex-concave surface type or a biconvex surface type. The seventh lens having a positive optical power is beneficial to balance aberrations and can suppress the light trend of the edge field of view, which helps to reduce the CRA. The first side surface of the seventh lens is convex, which can effectively correct the optical path difference of each field of view, helps to balance aberrations, can also suppress the light trend of the edge field of view, and helps to reduce the CRA. For example, the second side surface of the seventh lens is convex, which can effectively correct the optical path difference of each field of view, helps to balance aberrations, can also suppress the light trend of the edge field of view, and helps to reduce the CRA. Another example is that the second side surface of the seventh lens is concave, which can diverge light, is beneficial to achieve a telephoto characteristic and expand the imaging surface, and is also beneficial to balance aberrations and improve the resolution ability.

[0181] In an exemplary embodiment, the seventh lens may have a negative optical power and may have a convex-concave surface type or a biconcave surface type. The seventh lens having a negative optical power can gently transition the light of the cemented lens formed by the fifth lens and the sixth lens to the imaging surface, which is beneficial to correcting astigmatism and field curvature and improving the resolution ability. The first side surface of the seventh lens is concave, which can diverge the light from the front, is beneficial to achieve a telephoto characteristic and expand the imaging surface, and is also beneficial to balance aberrations and improve the resolution ability.

[0182] In an exemplary embodiment, a diaphragm for converging light may be provided between the third lens and the fourth lens to further improve the imaging quality of the optical lens. Setting the diaphragm between the third lens and the fourth lens helps to effectively converge the light entering the optical lens, reduce the aperture of the rear-end lens of the optical lens, and reduce the assembly sensitivity of the optical lens.

[0183] In an exemplary embodiment, the fifth lens and the sixth lens may form a lens cemented joint. With this arrangement, the light passing through the fourth lens can be smoothly transitioned to the imaging surface, reducing the total length of the optical lens, which is beneficial for fully correcting various aberrations of the optical lens. On the premise of achieving a compact structure, the resolution can be improved, and optical performance such as distortion and CRA can be optimized. In addition, the cemented lens formed by the fifth lens and the sixth lens also has the following advantages: the air gap between the fifth lens and the sixth lens can be reduced, thereby reducing the total length of the optical lens; the number of assembled components between the fifth lens and the sixth lens can be reduced, the process can be simplified, and the cost can be reduced; the tolerance sensitivity problems such as tilt or decentration generated during the assembly of each lens can be reduced; the light quantity loss caused by reflection between each lens can be reduced, and the illuminance can be improved; the field curvature can be further reduced, which is beneficial for correcting off-axis aberrations of the optical lens.

[0184] In an exemplary embodiment, one of the fifth lens and the sixth lens has a positive optical power, and the other has a negative optical power. For example, the fifth lens has a positive optical power and the sixth lens has a negative optical power. Another example is that the fifth lens has a negative optical power and the sixth lens has a positive optical power. In an exemplary embodiment, at least one of the first side and the second side of the seventh lens has at least one inflection point. With this arrangement, the aberrations of a large field of view can be effectively corrected, the resolution ability can be improved, and the CRA can be reduced.

[0185] In an exemplary embodiment, the optical lens according to the present application can satisfy: (FOV × F) / H ≥ 40. Wherein, FOV is the maximum field of view angle of the optical lens, F is the total effective focal length of the optical lens, and H is the image height corresponding to the maximum field of view angle of the optical lens. The optical lens satisfying (FOV × F) / H ≥ 40 can enable the optical lens to balance the telephoto characteristics and the central large-angle resolution. Among them, the preferred range of the above conditional formula is (FOV × F) / H ≥ 50. More specifically, FOV, F, and H can further satisfy: (FOV × F) / H ≥ 58.

[0186] In an exemplary embodiment, the optical lens according to the present application can satisfy: TTL / F ≤ 4. Wherein, TLL is the total length of the optical lens, and F is the total effective focal length of the optical lens. The optical lens satisfying TTL / F ≤ 4 helps to achieve the miniaturization of the optical lens and balance the telephoto characteristics of the optical lens. For example, when the optical lens is used as a vehicle front view lens, the telephoto characteristics of the optical lens can meet the requirements of target recognition of distant traffic signs and pedestrians during vehicle driving, and can improve the ability of clear imaging of distant scenes. At the same time, the miniaturization characteristics of the optical lens can meet the installation requirements. Among them, the preferred range of the above conditional formula is TTL / F ≤ 3.8. More specifically, TTL and F can further satisfy: TTL / F ≤ 3.6.

[0187] In an exemplary embodiment, the optical lens according to the present application can satisfy: TTL / H / θ ≤ 8. Wherein, TTL is the total length of the optical lens, θ is the maximum field of view angle of the optical lens expressed in radian value, and H is the image height corresponding to the maximum field of view angle of the optical lens. The optical lens satisfying TTL / H / θ ≤ 8 can make the total length of the optical lens shorter under the condition of the same imaging surface, which is beneficial to miniaturization. Among them, the preferred range of the above conditional formula is TTL / H / θ ≤ 7. More specifically, TTL, H, and θ can further satisfy: TTL / H / θ ≤ 6.

[0188] In an exemplary embodiment, the optical lens according to the present application can satisfy: TTL / DMAX ≤ 4.5. Wherein, TTL is the total length of the optical lens, and DMAX is the maximum aperture of the first lens to the seventh lens corresponding to the maximum field of view angle of the optical lens. The optical lens satisfying TTL / DMAX ≤ 4.5 controls the ratio of the total optical length to the maximum lens aperture to be small, which can make the optical lens more compact and is beneficial to miniaturization. Among them, the preferred range of the above conditional formula is TTL / DMAX ≤ 3.5. More specifically, TTL and DMAX can further satisfy: TTL / DMAX ≤ 3.

[0189] In an exemplary embodiment, the optical lens according to the present application can satisfy: (F×θ) / D ≥ 0.2. Wherein, F is the total effective focal length of the optical lens, θ is the maximum field of view angle of the optical lens expressed in radian value, and D is the maximum aperture of the first side of the first lens corresponding to the maximum field of view angle of the optical lens. The optical lens satisfying (F×θ) / D ≥ 0.2 can make the front aperture of the optical lens smaller, which is beneficial to reducing the volume of the optical lens. Among them, the preferred range of the above conditional formula is (F×θ) / D ≥ 0.3. More specifically, F, θ, and D can further satisfy: (F×θ) / D ≥ 0.4.

[0190] In an exemplary embodiment, the optical lens according to the present application can satisfy: F / θ ≥ 5. Wherein, F is the total effective focal length of the optical lens, and θ is the maximum field of view angle of the optical lens expressed in radian value. The optical lens satisfying F / θ ≥ 5 can achieve a large central angle resolution while ensuring the long focal length characteristics of the optical lens. Among them, the preferred range of the above conditional formula is F / θ ≥ 8. More specifically, F and θ can further satisfy: F / θ ≥ 10.

[0191] In an exemplary embodiment, the optical lens according to the present application can satisfy: D / H / θ ≤ 4.5, where θ is the maximum field of view angle of the optical lens expressed in radian value, D is the maximum clear aperture of the first side of the first lens corresponding to the maximum field of view angle of the optical lens, and H is the image height corresponding to the maximum field of view angle of the optical lens. The optical lens satisfying D / H / θ ≤ 4.5 can make the front aperture of the optical lens smaller, which is beneficial to achieving miniaturization. Among them, the preferred range of the above conditional formula is D / H / θ ≤ 3.5. More specifically, D, H, and θ can further satisfy: D / H / θ ≤ 3.

[0192] In an exemplary embodiment, the optical lens according to the present application can satisfy: D / H / F ≤ 0.4. Where D is the maximum clear aperture of the first side of the first lens corresponding to the maximum field of view angle of the optical lens, H is the image height corresponding to the maximum field of view angle of the optical lens, and F is the total effective focal length of the optical lens. The optical lens satisfying D / H / F ≤ 0.4 can have the characteristics of a large target surface and a small aperture under the condition of a fixed focal length. Among them, the preferred range of the above conditional formula is D / H / F ≤ 0.32. More specifically, D, H, and F can further satisfy: D / H / F ≤ 0.28.

[0193] In an exemplary embodiment, the optical lens according to the present application can satisfy: 0.5 ≤ F / H ≤ 2. Where F is the total effective focal length of the optical lens and H is the image height corresponding to the maximum field of view angle of the optical lens. The optical lens satisfying 0.5 ≤ F / H ≤ 2 is beneficial to improving the resolution ability of the optical lens and taking into account the telephoto characteristics. For example, when the optical lens is used as a vehicle front view lens, the telephoto characteristics of the optical lens can meet the requirements of target recognition of distant traffic signs and pedestrians during vehicle travel, and can improve the ability of distant scenery to be clearly imaged. At the same time, the optical lens with high resolution ability can enhance the detail level of target recognition. Among them, the preferred range of the above conditional formula is 0.7 ≤ F / H ≤ 1.8. More specifically, F and H can further satisfy: 0.9 ≤ F / H ≤ 1.6. For example, the value of F / H can also be equal to 0.2, 0.3, 0.4, 2.5, and 3, etc. That is, when F and H satisfy 0.2 ≤ F / H ≤ 3, it is also beneficial to improving the resolution ability of the optical lens.

[0194] In an exemplary embodiment, the optical lens according to the present application can satisfy: F / ENPD ≤ 2. Where F is the total effective focal length of the optical lens and ENPD is the entrance pupil diameter of the optical lens. The optical lens satisfying F / ENPD ≤ 2 is beneficial to increasing the light passing amount. Among them, the preferred range of the above conditional formula is F / ENPD ≤ 1.8. More specifically, F and ENPD can further satisfy: F / ENPD ≤ 1.75.

[0195] In an exemplary embodiment, the optical lens according to the present application may satisfy: F / ENPD / D ≤ 0.3. Wherein, F is the total effective focal length of the optical lens, ENPD is the entrance pupil diameter of the optical lens, and D is the maximum clear aperture of the first side of the first lens corresponding to the maximum field of view angle of the optical lens. The optical lens satisfying F / ENPD / D ≤ 0.3 can ensure a small aperture of the optical lens while meeting the requirement of high light transmittance, which is beneficial to realizing miniaturization. Among them, the preferred range of the above conditional formula is F / ENPD / D ≤ 0.2. More specifically, F, ENPD, and D may further satisfy: F / ENPD / D ≤ 0.15.

[0196] In an exemplary embodiment, the optical lens according to the present application may satisfy: 0.4 ≤ (H / 2) / (F × tan(θ / 2)) ≤ 2. Wherein, θ is the maximum field of view angle of the optical lens expressed in radian value, H is the image height corresponding to the maximum field of view angle of the optical lens, and F is the total effective focal length of the optical lens. The optical lens satisfying 0.4 ≤ (H / 2) / (F × tan(θ / 2)) ≤ 2 can reflect the ratio of the actual image height to the ideal image height, which is beneficial to realizing the central large-angle resolution. Among them, the preferred range of the above conditional formula is 0.6 ≤ (H / 2) / (F × tan(θ / 2)) ≤ 1.6. More specifically, H, F, and θ may further satisfy: 0.7 ≤ (H / 2) / (F × tan(θ / 2)) ≤ 1.2.

[0197] In an exemplary embodiment, the optical lens according to the present application may satisfy: F × |(H - F × θ) / (F × θ)| ≥ 1, where F is the total effective focal length of the optical lens, θ is the maximum field of view angle of the optical lens expressed in radian value, and H is the image height corresponding to the maximum field of view angle of the optical lens. The optical lens satisfying F × |(H - F × θ) / (F × θ)| ≥ 1 can enable the optical lens to take into account both the telephoto characteristics and the central large-angle resolution. Among them, the preferred range of the above conditional formula is F × |(H - F × θ) / (F × θ)| ≥ 1.2. More specifically, F, H, and θ may further satisfy: F × |(H - F × θ) / (F × θ)| ≥ 1.3.

[0198] In an exemplary embodiment, the optical lens according to the present application may satisfy: R2 / R4≥0.001. Wherein, R2 is the radius of curvature of the second side surface of the first lens, and R4 is the radius of curvature of the second side surface of the second lens. The optical lens satisfies R2 / R4≥0.001, that is, the signs of the radii of curvature of the second side surface of the first lens and the second side surface of the second lens are the same, which can keep the outgoing light rising. Under the condition of the same field of view angle, it can make the rear optical system have a larger light receiving surface, increase the aperture, achieve a larger light input amount, and increase the brightness of the imaging surface. Among them, the preferred range of the above conditional formula is R2 / R4≥0.5. More specifically, R2 and R4 may further satisfy: R2 / R4≥1.

[0199] In an exemplary embodiment, the optical lens according to the present application may satisfy: -15≤F1 / F≤-0.5, where F1 is the effective focal length of the first lens, and F is the total effective focal length of the optical lens. The optical lens satisfies -15≤F1 / F≤-0.5, which can ensure that the first lens has a relatively large absolute value of negative focal length, so that the light passing through the first lens is deflected less, which helps to achieve the telephoto characteristic. At the same time, controlling within the lower limit range of -15≤F1 / F≤-0.5 is beneficial to collecting the front light into the optical system. In addition, it is also beneficial to reduce aberration and sensitivity. Among them, the preferred range of the above conditional formula is -10≤F1 / F≤-1. More specifically, F1 and F may further satisfy: -6≤F1 / F≤-1.5. For example, the value of F1 / F may also be equal to -25, -22, -20, -18, and -16, etc. That is, when F1 and F satisfy -25≤F1 / F≤-0.3, it can also ensure that the first lens has a relatively large absolute value of negative focal length, so that the light passing through the first lens is deflected less, which helps to achieve the telephoto characteristic. At the same time, controlling within the lower limit range of -25≤F1 / F≤-0.3 is beneficial to collecting the front light into the optical system.

[0200] In an exemplary embodiment, the optical lens according to the present application may satisfy: 0.3≤F4 / F≤3, where F4 is the effective focal length of the fourth lens, and F is the total effective focal length of the optical lens. The optical lens satisfies 0.3≤F4 / F≤3, which is beneficial to contracting the light from the front, reducing the height of the light after entering the rear optical system, and is beneficial to reducing the rear port diameter. Among them, the preferred range of the above conditional formula is 0.5≤F4 / F≤2. More specifically, F4 and F may further satisfy: 0.6≤F4 / F≤1.8. For example, the value of F4 / F may also be equal to 5, 10, 15, and 25, etc. That is, when F4 and F satisfy F4 / F≤25, it is also beneficial to contracting the light from the front, reducing the height of the light after entering the rear optical system, and is beneficial to reducing the rear port diameter.

[0201] In an exemplary embodiment, the optical lens according to the present application may satisfy: 0.2 ≤ |F5 / F| ≤ 2.5. Wherein, F5 is the effective focal length of the fifth lens, and F is the total effective focal length of the optical lens. The optical lens satisfies 0.2 ≤ |F5 / F| ≤ 2.5, and by cooperating with the sixth lens, it is beneficial to correct various aberrations and improve the resolution ability. Among them, the preferred range of the above conditional formula is 0.4 ≤ |F5 / F| ≤ 1.6. More specifically, F5 and F may further satisfy: 0.48 ≤ |F5 / F| ≤ 1.2.

[0202] In an exemplary embodiment, the optical lens according to the present application may satisfy: 0.1 ≤ |F6 / F| ≤ 3. Wherein, F6 is the effective focal length of the sixth lens, and F is the total effective focal length of the optical lens. The optical lens satisfies 0.1 ≤ |F6 / F| ≤ 3, and by cooperating with the fifth lens, it is beneficial to correct various aberrations and improve the resolution ability. Among them, the preferred range of the above conditional formula is 0.2 ≤ |F6 / F| ≤ 1.5. More specifically, F6 and F may further satisfy: 0.3 ≤ |F6 / F| ≤ 1.2.

[0203] In an exemplary embodiment, the optical lens according to the present application may satisfy: d2 / (d1 + d3) ≤ 0.5. Wherein, d2 is the distance on the optical axis from the second side surface of the first lens to the first side surface of the second lens, d1 is the central thickness of the first lens on the optical axis, and d3 is the central thickness of the second lens on the optical axis. The optical lens satisfies d2 / (d1 + d3) ≤ 0.5, which can make the light path stable. While ensuring high resolution ability, the optical lens is more compact, which is beneficial to realizing miniaturization. Among them, the preferred range of the above conditional formula is d2 / (d1 + d3) ≤ 0.25. More specifically, d2, d1 and d3 may further satisfy: d2 / (d1 + d3) ≤ 0.1.

[0204] In an exemplary embodiment, the optical lens according to the present application may satisfy: d2 / TTL ≤ 0.1. Wherein, d2 is the distance on the optical axis from the second side surface of the first lens to the first side surface of the second lens, and TTL is the total length of the optical lens. The optical lens satisfies d2 / TTL ≤ 0.1, which can make the distance between the first lens and the second lens smaller, so that the second side surface of the first lens and the first side surface of the second lens are close, thereby making the light path stable. While ensuring high resolution ability, the optical lens is more compact, which is beneficial to realizing miniaturization. Among them, the preferred range of the above conditional formula is d2 / TTL ≤ 0.05. More specifically, d2 and TTL may further satisfy: d2 / TTL ≤ 0.03.

[0205] In an exemplary embodiment, the optical lens according to the present application may satisfy: |(d6 + d7) / R7| ≤ 0.3. Wherein, d6 is the distance from the second side surface of the third lens to the diaphragm on the optical axis, d7 is the distance from the diaphragm to the first side surface of the fourth lens on the optical axis, and R7 is the radius of curvature of the first side surface of the fourth lens. The optical lens satisfying |(d6 + d7) / R7| ≤ 0.3 can effectively control the ghost images generated by the reflection of the first side surface of the fourth lens and the front mirrors, and at the same time make the optical lens more compact, which is beneficial to miniaturization. Among them, the preferred range of the above conditional formula is |(d6 + d7) / R7| ≤ 0.2. More specifically, d6, d7, and R7 can further satisfy: |(d6 + d7) / R7| ≤ 0.15. For example, the value of |(d6 + d7) / R7| can also be equal to 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, and 1, etc. That is, when d6, d7, and R7 satisfy |(d6 + d7) / R7| ≤ 1, the ghost images generated by the reflection of the first side surface of the fourth lens and the front mirrors can also be effectively controlled, and at the same time make the optical lens more compact, which is beneficial to miniaturization.

[0206] In an exemplary embodiment, the optical lens according to the present application may satisfy: |d4 - d9| / d8 ≥ 0.2. Wherein, d4 is the distance from the second side surface of the second lens to the first side surface of the third lens on the optical axis, d9 is the distance from the second side surface of the fourth lens to the first side surface of the fifth lens on the optical axis, and d8 is the central thickness of the fourth lens on the optical axis. The optical lens satisfying |d4 - d9| / d8 ≥ 0.2 is beneficial to balance the ghost images generated by the reflection of each mirror surface between the second lens and the fifth lens, and at the same time can reduce sensitivity. Among them, the preferred range of the above conditional formula is |d4 - d9| / d8 ≥ 0.25. More specifically, d4, d9, and d8 can further satisfy: |d4 - d9| / d8 ≥ 0.3.

[0207] In an exemplary embodiment, the optical lens according to the present application may satisfy: |SAG14 / R14| ≤ 0.3. Wherein, SAG14 is the sagitta of the second side surface of the seventh lens, and R14 is the radius of curvature of the second side surface of the seventh lens. The optical lens satisfying |SAG14 / R14| ≤ 0.3 can ensure processability, and at the same time is beneficial to balancing the aberrations of each field of view and improving the resolution ability. Among them, the preferred range of the above conditional formula is |SAG14 / R14| ≤ 0.2. More specifically, SAG14 and R14 can further satisfy: |SAG14 / R14| ≤ 0.15.

[0208] In an exemplary embodiment, the optical lens according to the present application may satisfy: 0.02 ≤ |arctan(SAG10 / D10)| ≤ 0.6. Wherein, SAG10 is the sagitta of the cemented surface of the cemented lens, and D10 is the maximum clear aperture of the cemented surface corresponding to the maximum field of view angle of the optical lens. The optical lens satisfying 0.02 ≤ |arctan(SAG10 / D10)| ≤ 0.6 can make the included angle of the cemented surface within a reasonable range, can also ensure processability, effectively balance aberrations, and is conducive to improving the resolution ability. Among them, the preferred range of the above conditional formula is 0.05 ≤ |arctan(SAG10 / D10)| ≤ 0.4. More specifically, SAG10 and D10 can further satisfy: 0.07 ≤ |arctan(SAG10 / D10)| ≤ 0.3.

[0209] In an exemplary embodiment, the optical lens according to the present application may satisfy: 1 ≤ |F56 / F| ≤ 26. Wherein, F56 is the combined focal length of the fifth lens and the sixth lens, and F is the total effective focal length of the optical lens. The optical lens satisfying 1 ≤ |F56 / F| ≤ 26 helps more light to enter the cemented lens smoothly and helps to improve the illuminance. Among them, the preferred range of the above conditional formula is 2 ≤ |F56 / F| ≤ 24. More specifically, F56 and F can further satisfy 2 ≤ |F56 / F| ≤ 20. For example, the value of |F56 / F| can also be equal to 30, 35, 40, 45, and 50, etc. That is, when F56 and F satisfy |F56 / F| ≤ 50, it also helps more light to enter the cemented lens smoothly and helps to improve the illuminance.

[0210] In an exemplary embodiment, the optical lens according to the present application may satisfy: 0.1 ≤ R3 / R4 ≤ 3. Wherein, R3 is the radius of curvature of the first side surface of the second lens, and R4 is the radius of curvature of the second side surface of the second lens. The optical lens 0.1 ≤ R3 / R4 ≤ 3 can ensure that the first side surface and the second side surface of the second lens are arranged in the same direction (for example, both convex toward the first side surface or both convex toward the second side). In other words, the second lens can be a meniscus lens convex toward the first side or the second side. For example, when the second lens adopts an aspherical surface type, it can correct the light trend and improve the central large-angle resolution. Among them, the preferred range of the above conditional formula is 0.8 ≤ R3 / R4 ≤ 2. More specifically, R3 and R4 can further satisfy 1 ≤ R3 / R4 ≤ 1.9.

[0211] In an exemplary embodiment, the first lens to the seventh lens may be spherical lenses or aspherical lenses. The present application does not specifically limit the specific number of spherical lenses and aspherical lenses. When focusing on imaging quality, the number of aspherical lenses can be increased. The characteristic of an aspherical lens is that the curvature continuously changes from the center to the periphery of the lens. Different from a spherical lens with a constant curvature from the center to the periphery of the lens, an aspherical lens has better curvature radius characteristics and has the advantages of improving distortion aberration and astigmatism aberration. After using an aspherical lens, it is possible to eliminate as much as possible the aberration that occurs during imaging, thereby improving the imaging quality of the lens.

[0212] In an exemplary embodiment, when the second lens is an aspherical lens, by cooperating with the first lens, it is possible to effectively meet the specific requirements of various parameters of the optical lens (such as distortion and angular resolution, etc.) under the conditions of ensuring a small front aperture and good lens processability, and at the same time, it is possible to avoid a large aberration at the front end of the optical lens, thereby affecting the resolution ability. When the third lens is an aspherical lens, it can effectively receive the outgoing light of the second lens. While ensuring high resolution ability, it enables the rear optical system to have a larger light receiving surface, realizes an increase in the physical aperture of the diaphragm, an increase in the aperture, and a larger light input amount, increasing the brightness of the imaging surface. When the seventh lens is an aspherical lens, it can directly and effectively control the final aberration. While ensuring the miniaturization of the optical lens, it can also improve the resolution ability.

[0213] In an exemplary embodiment, according to needs, the optical lens of the present application may further include a filter and / or a protective glass disposed between the seventh lens and the imaging surface to filter light rays with different wavelengths and prevent damage to the image-side elements (such as chips) of the optical lens.

[0214] In an exemplary embodiment, the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, and the seventh lens may all be glass lenses. Using glass materials can avoid blurring of the lens imaging caused by high and low temperature changes in the use environment, affecting the normal use of the lens. Specifically, when focusing on resolution quality and reliability, the first lens to the seventh lens may all be glass aspherical lenses. Of course, in application scenarios with lower temperature stability requirements, the first lens to the seventh lens in the optical lens may also all be made of plastic. Making optical lenses with plastic can effectively reduce the manufacturing cost. Of course, the first lens to the seventh lens in the optical lens may also be made of a combination of plastic and glass.

[0215] According to the optical lens of the above embodiment of the present application, through reasonable setting of the shapes and optical powers of the respective lenses, in the case of using seven lenses, the optical lens can have at least one beneficial effect such as high resolution (above 8M), high resolution, high light throughput, miniaturization, small aperture, long focal length, small CRA, and low sensitivity.

[0216] However, those skilled in the art should understand that, without departing from the technical solutions claimed in this application, the number of lenses constituting the lens can be changed to obtain the various results and advantages described in this specification. For example, although seven lenses are described as an example in the embodiments, the optical lens is not limited to including seven lenses. If necessary, the optical lens may also include other numbers of lenses.

[0217] Specific embodiments of the optical lens applicable to the above embodiments will be further described below with reference to the accompanying drawings.

[0218] Example 1

[0219] The following refers to Figure 1 Describe the optical lens according to Embodiment 1 of this application. Figure 1 A schematic structural diagram of the optical lens according to Embodiment 1 of this application is shown.

[0220] As Figure 1 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 along the optical axis from the first side to the second side.

[0221] The first lens L1 is a meniscus lens with a negative optical power, its first side S1 is a convex surface, and its second side S2 is a concave surface. The second lens L2 is a meniscus lens with a positive optical power, its first side S3 is a convex surface, and its second side S4 is a concave surface. The third lens L3 is a meniscus lens with a negative optical power, its first side S5 is a concave surface, and its second side S6 is a convex surface. The fourth lens L4 is a biconvex lens with a positive optical power, its first side S8 is a convex surface, and its second side S9 is a convex surface. The fifth lens L5 is a biconvex lens with a positive optical power, its first side S10 is a convex surface, and its second side S11 is a convex surface. The sixth lens L6 is a biconcave lens with a negative optical power, its first side S11 is a concave surface, and its second side S12 is a concave surface. The seventh lens L7 is a meniscus lens with a positive optical power, its first side S13 is a convex surface, and its second side S14 is a concave surface. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The second side S14 of the seventh lens L7 has at least one inflection point. The optical lens may further include a diaphragm STO, and the diaphragm STO may be disposed between the third lens L3 and the fourth lens L4.

[0222] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first side S15 and a second side S16, and the auxiliary lens L9 may have a first side S17 and a second side S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens can be used to correct color deviation. The protective glass can be used to protect the image sensing chip IMA located at the imaging surface S19.

[0223] The optical lens provided by the present application can be used as a vehicle front view lens (e.g., a camera lens). At this time, light from an object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is provided at the imaging surface S19. The optical lens provided by the present application can also be used as a projection lens or a radar emission lens. At this time, light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto an object (not shown) on the first side.

[0224] Table 1 shows the radius of curvature R, thickness / distance d (it should be understood that the thickness d in the row where S1 is located is the central thickness d1 of the first lens L1, the thickness d in the row where S2 is located is the distance d2 on the optical axis between the second side of the first lens L1 and the first side of the second lens L2, and so on), refractive index Nd, and Abbe number Vd of each lens of the optical lens of Example 1.

[0225] Surface number Radius of curvature R (mm) Thickness / Spacing d (mm) Refractive index Nd Abbe number Vd S1 15.6482 3.0070 1.85 23.78 S2 8.9921 0.1409 S3 6.6367 4.8148 1.81 40.99 S4 4.7585 2.2523 S5 -9.4506 4.8101 1.81 40.99 S6 -11.7742 -0.1425 STO Infinity 0.2419 S8 13.5260 3.8372 1.62 63.39 S9 -30.0047 4.1999 S10 9.2029 4.1855 1.57 71.30 S11 -10.3904 0.7896 1.81 33.29 S12 17.0933 2.6364 S13 8.7014 4.1084 1.59 61.15 S14 17.8242 1.3187 S15 Infinity 0.5500 1.52 64.20 S16 Infinity 1.4914 S17 Infinity 0.5000 1.52 64.20 S18 Infinity 0.0956 S19 Infinity

[0226] Table 1

[0227] In Example 1, the first side S3 and the second side S4 of the second lens E2, the first side S5 and the second side S6 of the third lens E3, and the first side S13 and the second side S14 of the seventh lens L7 are all aspherical surfaces. The surface profile x of each aspherical lens can be defined by, but not limited to, the following aspherical formula:

[0228]

[0229] where x is the sagitta, the distance from the vertex of the aspherical surface at the position with a height of h along the optical axis direction; c is the paraxial curvature of the aspherical surface, c = 1 / R (i.e., the paraxial curvature x is the reciprocal of the radius of curvature R in Table 1 above); k is the conic coefficient; Ai is the correction coefficient of the i-th order of the aspherical surface. Table 2 gives the conic coefficients k and the higher-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each of the aspherical surfaces S3 to S6, S13, and S14 in Example 1.

[0230]

[0231]

[0232] Table 2

[0233] Example 2

[0234] Refer to the following Figure 2 The optical lens according to Embodiment 2 of the present application is described. Figure 2 The schematic structural diagram of the optical lens according to Embodiment 2 of the present application is shown.

[0235] As Figure 2 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 from the first side to the second side along the optical axis.

[0236] The first lens L1 is a meniscus lens with a negative optical power, its first side S1 is a convex surface, and its second side S2 is a concave surface. The second lens L2 is a meniscus lens with a positive optical power, its first side S3 is a convex surface, and its second side S4 is a concave surface. The third lens L3 is a meniscus lens with a negative optical power, its first side S5 is a concave surface, and its second side S6 is a convex surface. The fourth lens L4 is a biconvex lens with a positive optical power, its first side S8 is a convex surface, and its second side S9 is a convex surface. The fifth lens L5 is a biconvex lens with a positive optical power, its first side S10 is a convex surface, and its second side S11 is a convex surface. The sixth lens L6 is a biconcave lens with a negative optical power, its first side S11 is a concave surface, and its second side S12 is a concave surface. The seventh lens L7 is a meniscus lens with a positive optical power, its first side S13 is a convex surface, and its second side S14 is a concave surface. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The second side S14 of the seventh lens L7 has at least one inflection point. The optical lens may further include a diaphragm STO, and the diaphragm STO may be disposed between the third lens L3 and the fourth lens L4.

[0237] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first side S15 and a second side S16, and the auxiliary lens L9 may have a first side S17 and a second side S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens can be used to correct color deviation. The protective glass can be used to protect the image sensing chip IMA located at the imaging surface S19.

[0238] The optical lens provided by the present application can be used as a vehicle front view lens (e.g., a camera lens). At this time, light from an object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is provided at the imaging surface S19. The optical lens provided by the present application can also be used as a projection lens or a radar transmitting lens. At this time, light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto an object (not shown) on the first side.

[0239] Table 3 shows the curvature radius R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens of Example 2. Table 4 gives the conic coefficient k and the higher-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Example 2.

[0240]

[0241]

[0242] Table 3

[0243] Surface number k A4 A6 A8 S3 -1.8890 5.1245E-04 -1.4261E-05 7.6688E-07 S4 -0.7720 -3.6934E-05 -1.2768E-04 3.4862E-05 S5 -0.5884 -5.9949E-04 1.6931E-04 -5.5339E-05 S6 0.8420 -1.1281E-04 2.7077E-05 -4.2228E-06 S13 -6.7018 6.0199E-04 -2.8101E-05 1.4379E-06 S14 -7.3284 -1.5135E-03 3.7896E-05 -1.1110E-06 Surface number A10 A12 A14 A16 S3 -4.0364E-08 1.0928E-09 -1.3400E-11 1.0218E-13 S4 -7.0386E-06 8.2263E-07 -5.2071E-08 1.4091E-09 S5 9.1294E-06 -8.4432E-07 3.9881E-08 -7.0107E-10 S6 3.5115E-07 -1.6277E-08 3.9683E-10 -3.8959E-12 S13 -9.1211E-08 3.7587E-09 -9.0892E-11 9.5091E-13 S14 1.4853E-08 2.3527E-10 -1.4065E-11 2.0551E-13

[0244] Table 4

[0245] Example 3

[0246] The following refers to Figure 3 The optical lens according to Embodiment 3 of the present application is described. Figure 3 The structural schematic diagram of the optical lens according to Embodiment 3 of the present application is shown.

[0247] As Figure 3 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 along the optical axis from the first side to the second side.

[0248] The first lens L1 is a meniscus lens with a negative optical power, its first surface S1 is convex, and its second surface S2 is concave. The second lens L2 is a meniscus lens with a negative optical power, its first surface S3 is convex, and its second surface S4 is concave. The third lens L3 is a meniscus lens with a negative optical power, its first surface S5 is concave, and its second surface S6 is convex. The fourth lens L4 is a biconvex lens with a positive optical power, its first surface S8 is convex, and its second surface S9 is convex. The fifth lens L5 is a biconvex lens with a positive optical power, its first surface S10 is convex, and its second surface S11 is convex. The sixth lens L6 is a meniscus lens with a negative optical power, its first surface S11 is concave, and its second surface S12 is convex. The seventh lens L7 is a meniscus lens with a positive optical power, its first surface S13 is convex, and its second surface S14 is concave. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The first surface S13 and the second surface S14 of the seventh lens L7 each have at least one inflection point. The optical lens may further include a diaphragm STO, and the diaphragm STO may be disposed between the third lens L3 and the fourth lens L4.

[0249] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first surface S15 and a second surface S16, and the auxiliary lens L9 may have a first surface S17 and a second surface S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens may be used to correct color deviation. The protective glass may be used to protect the image sensing chip IMA located at the imaging surface S19.

[0250] The optical lens provided in this application can be used as a vehicle front view lens (for example, a camera lens). At this time, the light from the object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is disposed at the imaging surface S19. The optical lens provided in this application can also be used as a projection lens or a radar emission lens. At this time, the light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto the target object (not shown) on the first side.

[0251] Table 5 shows the radius of curvature R, thickness / spacing d, refractive index Nd, and Abbe number Vd of each lens of the optical lens in Embodiment 3. Table 6 gives the conic coefficient k and the higher-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Embodiment 3.

[0252] Surface number Radius of curvature R (mm) Thickness / Spacing d (mm) Refractive index Nd Abbe number Vd S1 12.0240 4.0080 1.85 23.78 S2 7.0973 0.2004 S3 5.8472 4.1317 1.81 40.99 S4 3.8079 1.9919 S5 -9.3101 5.0100 1.81 40.99 S6 -18.6158 0.1002 STO Infinity 0.1000 S8 9.3226 4.3778 1.62 63.39 S9 -14.5345 0.4467 S10 9.1742 4.8875 1.57 71.30 S11 -5.3440 1.5030 1.81 33.29 S12 -65.1300 1.9430 S13 13.4003 2.7504 1.59 61.15 S14 15.8138 0.8034 S15 Infinity 0.5500 1.52 64.20 S16 Infinity 0.9772 S17 Infinity 0.5000 1.52 64.20 S18 Infinity 0.1768 S19 Infinity

[0253] Table 5

[0254] Surface number k A4 A6 A8 S3 -2.0990 8.3129E-04 -1.0550E-05 -1.4022E-06 S4 -0.9396 -7.5913E-05 -9.6654E-05 2.9936E-06 S5 -0.9980 -5.7280E-04 -4.6191E-05 -1.5417E-06 S6 -0.7248 2.8520E-05 5.1299E-06 -1.1118E-06 S13 7.0935 -1.7870E-03 1.1663E-05 -1.4874E-05 S14 -71.4090 -5.5185E-04 -1.3751E-04 -6.4453E-06 Surface number A10 A12 A14 A16 S3 1.5347E-07 -9.2513E-09 2.7825E-10 -2.9696E-12 S4 -1.5032E-06 2.4624E-07 -2.2867E-08 9.4076E-10 S5 8.9674E-07 -2.4774E-07 2.4264E-08 -7.5564E-10 S6 2.7175E-07 -3.0978E-08 1.8775E-09 -4.4629E-11 S13 2.6475E-06 -2.8592E-07 1.5548E-08 -3.3261E-10 S14 3.3458E-06 -3.9203E-07 2.0687E-08 -4.1678E-10

[0255] Table 6

[0256] Example 4

[0257] The following refers to Figure 4 an optical lens according to Embodiment 4 of the present application is described. Figure 4 A schematic structural diagram of the optical lens according to Embodiment 4 of the present application is shown.

[0258] As Figure 4 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 from the first side to the second side along the optical axis.

[0259] The first lens L1 is a meniscus lens with a negative optical power, its first side S1 is a convex surface, and its second side S2 is a concave surface. The second lens L2 is a meniscus lens with a negative optical power, its first side S3 is a convex surface, and its second side S4 is a concave surface. The third lens L3 is a meniscus lens with a negative optical power, its first side S5 is a concave surface, and its second side S6 is a convex surface. The fourth lens L4 is a biconvex lens with a positive optical power, its first side S8 is a convex surface, and its second side S9 is a convex surface. The fifth lens L5 is a biconvex lens with a positive optical power, its first side S10 is a convex surface, and its second side S11 is a convex surface. The sixth lens L6 is a meniscus lens with a negative optical power, its first side S11 is a concave surface, and its second side S12 is a convex surface. The seventh lens L7 is a meniscus lens with a positive optical power, its first side S13 is a convex surface, and its second side S14 is a concave surface. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The first side S13 and the second side S14 of the seventh lens L7 each have at least one inflection point. The optical lens may further include a diaphragm STO, and the diaphragm STO may be disposed between the third lens L3 and the fourth lens L4.

[0260] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first side S15 and a second side S16, and the auxiliary lens L9 may have a first side S17 and a second side S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens can be used to correct color deviation. The protective glass can be used to protect the image sensing chip IMA located at the imaging surface S19.

[0261] The optical lens provided by the present application can be used as a vehicle front view lens (e.g., a camera lens). At this time, light from an object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is provided at the imaging surface S19. The optical lens provided by the present application can also be used as a projection lens or a radar emission lens. At this time, light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto an object (not shown) on the first side.

[0262] Table 7 shows the radius of curvature R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens of Example 4. Table 8 gives the conic coefficient k and the higher-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Example 4.

[0263] Surface number Radius of curvature R (mm) Thickness / Spacing d (mm) Refractive index Nd Abbe number Vd S1 11.9760 3.9920 1.85 23.78 S2 7.0689 0.1996 S3 5.8238 4.1152 1.81 40.99 S4 3.7927 1.9839 S5 -9.2729 4.9900 1.81 40.99 S6 -18.5415 0.0998 STO Infinity 0.1000 S8 9.2854 4.3604 1.62 63.39 S9 -14.4765 0.4449 S10 9.1376 4.8680 1.57 71.30 S11 -5.3226 1.4970 1.81 33.29 S12 -64.8700 1.9353 S13 13.3468 2.7394 1.59 61.15 S14 15.7507 0.8002 S15 Infinity 0.5500 1.52 64.20 S16 Infinity 0.9772 S17 Infinity 0.5000 1.52 64.20 S18 Infinity 0.1732 S19 Infinity

[0264] Table 7

[0265] Surface number k A4 A6 A8 S3 -2.0990 7.9869E-04 -1.0136E-05 -1.3472E-06 S4 -0.9396 -7.2936E-05 -9.2864E-05 2.8762E-06 S5 -0.9980 -5.5034E-04 -4.4380E-05 -1.4813E-06 S6 -0.7248 2.7402E-05 4.9287E-06 -1.0682E-06 S13 7.0935 -1.7169E-03 1.1206E-05 -1.4291E-05 S14 -71.4090 -5.3021E-04 -1.3211E-04 -6.1925E-06 Surface number A10 A12 A14 A16 S3 1.4745E-07 -8.8885E-09 2.6734E-10 -2.8531E-12 S4 -1.4443E-06 2.3658E-07 -2.1970E-08 9.0387E-10 S5 8.6157E-07 -2.3803E-07 2.3312E-08 -7.2601E-10 S6 2.6109E-07 -2.9763E-08 1.8038E-09 -4.2878E-11 S13 2.5437E-06 -2.7470E-07 1.4939E-08 -3.1957E-10 S14 3.2146E-06 -3.7665E-07 1.9876E-08 -4.0044E-10

[0266] Table 8

[0267] Example 5

[0268] The following refers to Figure 5 and describes the optical lens according to Embodiment 5 of the present application. Figure 5 shows a schematic structural diagram of the optical lens according to Embodiment 5 of the present application.

[0269] As Figure 5 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 along the optical axis from the first side to the second side.

[0270] The first lens L1 is a meniscus lens with a negative optical power, whose first surface S1 is convex and second surface S2 is concave. The second lens L2 is a meniscus lens with a negative optical power, whose first surface S3 is convex and second surface S4 is concave. The third lens L3 is a meniscus lens with a negative optical power, whose first surface S5 is concave and second surface S6 is convex. The fourth lens L4 is a biconvex lens with a positive optical power, whose first surface S8 is convex and second surface S9 is convex. The fifth lens L5 is a biconvex lens with a positive optical power, whose first surface S10 is convex and second surface S11 is convex. The sixth lens L6 is a meniscus lens with a negative optical power, whose first surface S11 is concave and second surface S12 is convex. The seventh lens L7 is a biconcave lens with a negative optical power, whose first surface S13 is concave and second surface S14 is concave. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The first surface S13 and the second surface S14 of the seventh lens L7 each have at least one inflection point. The optical lens may further include a stop STO, and the stop STO may be disposed between the third lens L3 and the fourth lens L4.

[0271] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first surface S15 and a second surface S16, and the auxiliary lens L9 may have a first surface S17 and a second surface S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens can be used to correct color deviation. The protective glass can be used to protect the image sensing chip IMA located at the imaging surface S19.

[0272] The optical lens provided by the present application can be used as a vehicle front view lens (for example, a camera lens). At this time, light from an object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is disposed at the imaging surface S19. The optical lens provided by the present application can also be used as a projection lens or a radar emission lens. At this time, light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto an object (not shown) on the first side.

[0273] Table 9 shows the radius of curvature R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens of Example 5. Table 10 gives the conic coefficient k and higher-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Example 5.

[0274]

[0275]

[0276] Table 9

[0277] Surface number k A4 A6 A8 S3 -1.5665 2.1105E-04 -4.3692E-05 -4.0848E-07 S4 -1.0049 -6.6889E-04 -1.6503E-04 -5.2523E-06 S5 2.6319 1.9981E-04 -4.7362E-05 4.3292E-06 S6 -0.4696 6.2662E-05 4.4753E-06 -1.3325E-06 S13 56.6640 -2.1098E-03 1.5728E-04 -3.7960E-05 S14 -99.0000 -3.9366E-03 2.3190E-04 -2.6278E-05 Surface number A10 A12 A14 A16 S3 -1.3254E-08 -3.1619E-09 3.9742E-10 -7.3910E-12 S4 -1.3846E-07 6.3422E-08 -3.6512E-09 6.2786E-11 S5 -1.5311E-06 1.4413E-07 -7.9779E-09 2.4730E-10 S6 3.0672E-07 -3.0785E-08 1.6299E-09 -3.3023E-11 S13 5.9534E-06 -5.2770E-07 2.4775E-08 -4.6131E-10 S14 2.8875E-06 -1.7734E-07 5.0753E-09 -3.6971E-11

[0278] Table 10

[0279] Example 6

[0280] Refer to the following Figure 6 which describes an optical lens according to Embodiment 6 of the present application. Figure 6 FIG. shows a schematic structural diagram of an optical lens according to Embodiment 6 of the present application.

[0281] As Figure 6 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 along the optical axis from the first side to the second side.

[0282] The first lens L1 is a meniscus lens with a negative optical power, its first side S1 is convex, and its second side S2 is concave. The second lens L2 is a meniscus lens with a negative optical power, its first side S3 is convex, and its second side S4 is concave. The third lens L3 is a meniscus lens with a negative optical power, its first side S5 is concave, and its second side S6 is convex. The fourth lens L4 is a biconvex lens with a positive optical power, its first side S8 is convex, and its second side S9 is convex. The fifth lens L5 is a biconvex lens with a positive optical power, its first side S10 is convex, and its second side S11 is convex. The sixth lens L6 is a meniscus lens with a negative optical power, its first side S11 is concave, and its second side S12 is convex. The seventh lens L7 is a biconcave lens with a negative optical power, its first side S13 is concave, and its second side S14 is concave. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The first side S13 and the second side S14 of the seventh lens L7 each have at least one inflection point. The optical lens may further include a diaphragm STO, and the diaphragm STO may be disposed between the third lens L3 and the fourth lens L4.

[0283] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first side S15 and a second side S16, and the auxiliary lens L9 may have a first side S17 and a second side S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens can be used to correct color deviation. The protective glass can be used to protect the image sensing chip IMA located at the imaging surface S19.

[0284] The optical lens provided by the present application can be used as a vehicle front view lens (e.g., a camera lens). At this time, light from an object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is provided at the imaging surface S19. The optical lens provided by the present application can also be used as a projection lens or a radar transmitting lens. At this time, light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto an object (not shown) on the first side.

[0285] Table 11 shows the radius of curvature R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens of Example 6. Table 12 gives the conic coefficient k and the higher-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Example 6.

[0286] Surface number Radius of curvature R (mm) Thickness / Spacing d (mm) Refractive index Nd Abbe number Vd S1 11.9760 3.9920 1.85 23.78 S2 7.3951 0.1996 S3 5.2338 2.6245 1.81 40.99 S4 3.5700 1.8745 S5 -10.4356 4.9900 1.81 40.99 S6 -17.0353 0.4625 STO Infinity 0.1000 S8 8.8998 4.8932 1.62 63.39 S9 -14.1027 0.0998 S10 8.9795 4.6337 1.57 71.30 S11 -5.0626 2.6736 1.81 33.29 S12 -160.7708 0.9980 S13 -74.8500 2.5615 1.59 61.15 S14 2909.5180 0.7983 S15 Infinity 0.5500 1.52 64.20 S16 Infinity 0.9793 S17 Infinity 0.5000 1.52 64.20 S18 Infinity 0.1759 S19 Infinity

[0287] Table 11

[0288] Surface number k A4 A6 A8 S3 -1.5665 2.0278E-04 -4.1978E-05 -3.9246E-07 S4 -1.0049 -6.4266E-04 -1.5855E-04 -5.0463E-06 S5 2.6319 1.9197E-04 -4.5505E-05 4.1594E-06 S6 -0.4696 6.0205E-05 4.2998E-06 -1.2803E-06 S13 56.6640 -2.0271E-03 1.5112E-04 -3.6472E-05 S14 -99.0000 -3.7822E-03 2.2280E-04 -2.5248E-05 Surface number A10 A12 A14 A16 S3 -1.2734E-08 -3.0379E-09 3.8184E-10 -7.1011E-12 S4 -1.3303E-07 6.0935E-08 -3.5080E-09 6.0324E-11 S5 -1.4710E-06 1.3848E-07 -7.6650E-09 2.3760E-10 S6 2.9469E-07 -2.9577E-08 1.5660E-09 -3.1728E-11 S13 5.7199E-06 -5.0700E-07 2.3803E-08 -4.4322E-10 S14 2.7743E-06 -1.7038E-07 4.8763E-09 -3.5521E-11

[0289] Table 12

[0290] Example 7

[0291] The following refers to Figure 7 and describes the optical lens according to Embodiment 7 of the present application. Figure 7 FIG. shows a schematic structural diagram of the optical lens according to Embodiment 7 of the present application.

[0292] As Figure 7 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 along the optical axis from the first side to the second side.

[0293] The first lens L1 is a meniscus lens with a negative optical power, its first side S1 is convex, and its second side S2 is concave. The second lens L2 is a meniscus lens with a positive optical power, its first side S3 is convex, and its second side S4 is concave. The third lens L3 is a meniscus lens with a negative optical power, its first side S5 is concave, and its second side S6 is convex. The fourth lens L4 is a biconvex lens with a positive optical power, its first side S8 is convex, and its second side S9 is convex. The fifth lens L5 is a biconvex lens with a positive optical power, its first side S10 is convex, and its second side S11 is convex. The sixth lens L6 is a biconcave lens with a negative optical power, its first side S11 is concave, and its second side S12 is concave. The seventh lens L7 is a biconvex lens with a positive optical power, its first side S13 is convex, and its second side S14 is convex. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The first side S13 of the seventh lens L7 has at least one inflection point. The optical lens may further include a diaphragm STO, and the diaphragm STO may be disposed between the third lens L3 and the fourth lens L4.

[0294] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first side S15 and a second side S16, and the auxiliary lens L9 may have a first side S17 and a second side S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens may be used to correct color deviation. The protective glass may be used to protect the image sensing chip IMA located at the imaging surface S19.

[0295] The optical lens provided in this application can be used as a vehicle front view lens (for example, a camera lens). At this time, the light from the object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is provided at the imaging surface S19. The optical lens provided in this application can also be used as a projection lens or a radar emission lens. At this time, the light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto the target object (not shown) on the first side.

[0296] Table 13 shows the radius of curvature R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens in Embodiment 7. Table 14 gives the conic coefficient k and the higher-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Embodiment 7.

[0297]

[0298]

[0299] Table 13

[0300] Surface number k A4 A6 A8 S3 -2.1058 8.9842E-04 -1.5472E-05 -1.2136E-06 S4 -1.0282 -1.6569E-04 -9.9198E-05 6.1232E-06 S5 -0.8950 -6.8366E-04 -2.9546E-05 -4.6785E-06 S6 -0.6936 -7.1225E-05 7.3019E-06 -1.8924E-06 S13 2.4026 -1.6829E-03 7.1213E-05 -3.3150E-05 S14 -73.5970 -2.9404E-03 1.5014E-04 -2.7044E-05 Surface number A10 A12 A14 A16 S3 1.4136E-07 -9.1585E-09 2.9272E-10 -3.3019E-12 S4 -1.9394E-06 2.5932E-07 -1.7230E-08 5.2004E-10 S5 1.0522E-06 -1.7940E-07 1.5554E-08 -4.4878E-10 S6 3.1383E-07 -2.6629E-08 1.2101E-09 -2.2056E-11 S13 5.7643E-06 -6.0100E-07 3.2448E-08 -7.1010E-10 S14 3.6166E-06 -2.9124E-07 1.2419E-08 -2.1642E-10

[0301] Table 14

[0302] Example 8

[0303] Refer to the following Figure 8 An optical lens according to Embodiment 8 of the present application is described. Figure 8 A schematic structural diagram of the optical lens according to Embodiment 8 of the present application is shown.

[0304] As Figure 8 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 along the optical axis from the first side to the second side.

[0305] The first lens L1 is a meniscus lens with a negative optical power, its first side S1 is a convex surface, and its second side S2 is a concave surface. The second lens L2 is a meniscus lens with a positive optical power, its first side S3 is a convex surface, and its second side S4 is a concave surface. The third lens L3 is a meniscus lens with a negative optical power, its first side S5 is a concave surface, and its second side S6 is a convex surface. The fourth lens L4 is a biconvex lens with a positive optical power, its first side S8 is a convex surface, and its second side S9 is a convex surface. The fifth lens L5 is a biconvex lens with a positive optical power, its first side S10 is a convex surface, and its second side S11 is a convex surface. The sixth lens L6 is a biconcave lens with a negative optical power, its first side S11 is a concave surface, and its second side S12 is a concave surface. The seventh lens L7 is a biconvex lens with a positive optical power, its first side S13 is a convex surface, and its second side S14 is a convex surface. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The first side S13 of the seventh lens L7 has at least one inflection point. The optical lens may further include a diaphragm STO, and the diaphragm STO may be disposed between the third lens L3 and the fourth lens L4.

[0306] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with no optical power. The auxiliary lens L8 may have a first side S15 and a second side S16, and the auxiliary lens L9 may have a first side S17 and a second side S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens can be used to correct color deviation. The protective glass can be used to protect the image sensing chip IMA located at the imaging surface S19.

[0307] The optical lens provided by the present application can be used as a vehicle front view lens (e.g., a camera lens). At this time, light from an object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is provided at the imaging surface S19. The optical lens provided by the present application can also be used as a projection lens or a radar emission lens. At this time, light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto an object (not shown) on the first side.

[0308] Table 15 shows the curvature radius R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens of Example 8. Table 16 gives the conic coefficient k and the higher-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Example 8.

[0309] Surface number Radius of curvature R (mm) Thickness / Spacing d (mm) Refractive index Nd Abbe number Vd S1 11.9760 3.2324 1.85 23.78 S2 6.9657 0.1996 S3 5.6327 3.9170 1.81 40.99 S4 3.9522 2.6100 S5 -8.2984 4.9900 1.81 40.99 S6 -12.2050 0.0998 STO Infinity 0.1000 S8 9.8653 5.3262 1.62 63.39 S9 -13.9307 0.0998 S10 8.3584 4.6498 1.57 71.30 S11 -5.8854 1.4970 1.81 33.29 S12 9.0841 1.0178 S13 9.6353 3.5863 1.59 61.15 S14 -74.8500 0.8001 S15 Infinity 0.5500 1.52 64.20 S16 Infinity 0.9773 S17 Infinity 0.5000 1.52 64.20 S18 Infinity 0.1755 S19 Infinity

[0310] Table 15

[0311] Surface number k A4 A6 A8 S3 -2.1058 8.6318E-04 -1.4865E-05 -1.1660E-06 S4 -1.0282 -1.5919E-04 -9.5308E-05 5.8831E-06 S5 -0.8950 -6.5685E-04 -2.8387E-05 -4.4950E-06 S6 -0.6936 -6.8432E-05 7.0156E-06 -1.8182E-06 S13 2.4026 -1.6169E-03 6.8420E-05 -3.1850E-05 S14 -73.5970 -2.8251E-03 1.4425E-04 -2.5983E-05 Surface number A10 A12 A14 A16 S3 1.3582E-07 -8.7993E-09 2.8124E-10 -3.1724E-12 S4 -1.8633E-06 2.4915E-07 -1.6554E-08 4.9965E-10 S5 1.0109E-06 -1.7236E-07 1.4944E-08 -4.3118E-10 S6 3.0153E-07 -2.5585E-08 1.1627E-09 -2.1191E-11 S13 5.5383E-06 -5.7743E-07 3.1175E-08 -6.8225E-10 S14 3.4747E-06 -2.7982E-07 1.1932E-08 -2.0794E-10

[0312] Table 16

[0313] Example 9

[0314] The following refers to Figure 9 and describes the optical lens according to Embodiment 9 of the present application. Figure 9 FIG. shows a schematic structural diagram of the optical lens according to Embodiment 9 of the present application.

[0315] As Figure 9 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 along the optical axis from the first side to the second side.

[0316] The first lens L1 is a meniscus lens with a negative optical power, its first side S1 is convex, and its second side S2 is concave. The second lens L2 is a meniscus lens with a negative optical power, its first side S3 is convex, and its second side S4 is concave. The third lens L3 is a meniscus lens with a positive optical power, its first side S5 is concave, and its second side S6 is convex. The fourth lens L4 is a meniscus lens with a positive optical power, its first side S8 is concave, and its second side S9 is convex. The fifth lens L5 is a biconvex lens with a positive optical power, its first side S10 is convex, and its second side S11 is convex. The sixth lens L6 is a biconcave lens with a negative optical power, its first side S11 is concave, and its second side S12 is concave. The seventh lens L7 is a biconvex lens with a positive optical power, its first side S13 is convex, and its second side S14 is convex. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The optical lens may further include a diaphragm STO, and the diaphragm STO may be disposed between the third lens L3 and the fourth lens L4.

[0317] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first side S15 and a second side S16, and the auxiliary lens L9 may have a first side S17 and a second side S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens may be used to correct color deviation. The protective glass may be used to protect the image sensing chip IMA located at the imaging surface S19.

[0318] The optical lens provided in this application can be used as a vehicle front view lens (for example, a camera lens). At this time, the light from the object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is provided at the imaging surface S19. The optical lens provided in this application can also be used as a projection lens or a radar emission lens. At this time, the light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto the target object (not shown) on the first side.

[0319] Table 17 shows the radius of curvature R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens in Embodiment 9. Table 18 gives the conic coefficient k and the high-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Embodiment 9.

[0320] Surface number Radius of curvature R (mm) Thickness / Spacing d (mm) Refractive index Nd Abbe number Vd S1 12.0240 4.0080 1.85 23.78 S2 6.9069 0.2004 S3 5.4937 2.9765 1.81 40.99 S4 4.1134 1.9643 S5 -9.5720 4.5424 1.81 40.99 S6 -9.6869 0.1002 STO Infinity 2.3498 S8 -75.1500 3.3002 1.62 63.39 S9 -7.1300 0.1002 S10 7.8072 4.1144 1.57 71.30 S11 -10.8901 1.8969 1.81 33.29 S12 5.8551 1.0020 S13 7.7720 4.8886 1.59 61.15 S14 -49.3976 0.8028 S15 Infinity 0.5500 1.52 64.20 S16 Infinity 0.9782 S17 Infinity 0.5000 1.52 64.20 S18 Infinity 0.1931 S19 Infinity

[0321] Table 17

[0322]

[0323]

[0324] Table 18

[0325] Example 10

[0326] Refer to the following Figure 10 An optical lens according to Embodiment 10 of the present application is described. Figure 10 A schematic structural diagram of the optical lens according to Embodiment 10 of the present application is shown.

[0327] As Figure 10 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 from the first side to the second side along the optical axis.

[0328] The first lens L1 is a meniscus lens with a negative optical power, its first side S1 is convex, and its second side S2 is concave. The second lens L2 is a meniscus lens with a negative optical power, its first side S3 is convex, and its second side S4 is concave. The third lens L3 is a meniscus lens with a positive optical power, its first side S5 is concave, and its second side S6 is convex. The fourth lens L4 is a meniscus lens with a positive optical power, its first side S8 is concave, and its second side S9 is convex. The fifth lens L5 is a biconvex lens with a positive optical power, its first side S10 is convex, and its second side S11 is convex. The sixth lens L6 is a biconcave lens with a negative optical power, its first side S11 is concave, and its second side S12 is concave. The seventh lens L7 is a biconvex lens with a positive optical power, its first side S13 is convex, and its second side S14 is convex. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The optical lens may further include a diaphragm STO, and the diaphragm STO may be disposed between the third lens L3 and the fourth lens L4.

[0329] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first side S15 and a second side S16, and the auxiliary lens L9 may have a first side S17 and a second side S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens may be used to correct color deviation. The protective glass may be used to protect the image sensing chip IMA located at the imaging surface S19.

[0330] The optical lens provided by the present application can be used as a vehicle front view lens (for example, a camera lens). At this time, light from an object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is provided at the imaging surface S19. The optical lens provided by the present application can also be used as a projection lens or a radar transmitting lens. At this time, light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto an object (not shown) on the first side.

[0331] Table 19 shows the curvature radius R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens of Example 10. Table 20 gives the conic coefficient k and the higher-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Example 10.

[0332]

[0333]

[0334] Table 19

[0335] Surface number k A4 A6 A8 S3 -1.6241 3.6254E-04 -2.9424E-05 2.0713E-06 S4 -1.6603 6.4423E-05 -1.2491E-04 5.4336E-06 S5 -0.5295 -1.2247E-03 5.8300E-06 -1.7878E-05 S6 -3.0326 -1.3706E-04 -2.2222E-05 1.5432E-05 S13 1.7468 -7.6668E-04 6.6581E-05 -1.7652E-05 S14 23.8000 -2.2108E-03 -9.1372E-05 5.2884E-05 Surface number A10 A12 A14 A16 S3 -2.5444E-07 1.7120E-08 -5.4631E-10 8.3346E-12 S4 -1.9749E-06 2.8479E-07 -1.9453E-08 5.3955E-10 S5 3.1891E-06 -3.5988E-07 2.3070E-08 -5.6285E-10 S6 -3.1081E-06 3.6061E-07 -2.1342E-08 5.1396E-10 S13 2.4201E-06 -1.9113E-07 7.8057E-09 -1.3098E-10 S14 -8.3735E-06 7.0770E-07 -3.0920E-08 5.5065E-10

[0336] Table 20

[0337] Example 11

[0338] The following refers to Figure 11 The optical lens according to Embodiment 11 of the present application is described. Figure 11 The structural schematic diagram of the optical lens according to Embodiment 11 of the present application is shown.

[0339] As Figure 11 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 along the optical axis from the first side to the second side.

[0340] The first lens L1 is a meniscus lens with a negative focal power, whose first side S1 is convex and second side S2 is concave. The second lens L2 is a meniscus lens with a negative focal power, whose first side S3 is convex and second side S4 is concave. The third lens L3 is a biconcave lens with a negative focal power, whose first side S5 is concave and second side S6 is concave. The fourth lens L4 is a biconvex lens with a positive focal power, whose first side S8 is convex and second side S9 is convex. The fifth lens L5 is a biconvex lens with a positive focal power, whose first side S10 is convex and second side S11 is convex. The sixth lens L6 is a biconcave lens with a negative focal power, whose first side S11 is concave and second side S12 is concave. The seventh lens L7 is a meniscus lens with a positive focal power, whose first side S13 is convex and second side S14 is concave. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The first side S13 and the second side S14 of the seventh lens L7 each have at least one inflection point. The optical lens may further include a diaphragm STO, and the diaphragm STO may be disposed between the third lens L3 and the fourth lens L4.

[0341] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero focal power. The auxiliary lens L8 may have a first side S15 and a second side S16, and the auxiliary lens L9 may have a first side S17 and a second side S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens can be used to correct color deviation. The protective glass can be used to protect the image sensing chip IMA located at the imaging surface S19.

[0342] The optical lens provided in this application can be used as a vehicle front view lens (for example, a camera lens). At this time, light from an object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is disposed at the imaging surface S19. The optical lens provided in this application can also be used as a projection lens or a radar emission lens. At this time, light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto an object (not shown) on the first side.

[0343] Table 21 shows the radius of curvature R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens in Embodiment 11. Table 22 gives the conic coefficient k and the higher-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Embodiment 11.

[0344] Surface number Radius of curvature R (mm) Thickness / Spacing d (mm) Refractive index Nd Abbe number Vd S1 12.0240 4.0080 1.85 23.78 S2 7.3612 0.4886 S3 6.4537 4.5493 1.81 40.99 S4 4.0905 1.6908 S5 -55.3519 5.0100 1.81 40.99 S6 75.1500 1.3400 STO Infinity -0.2000 S8 13.0101 4.7618 1.62 63.39 S9 -8.7478 0.1002 S10 6.6073 4.4759 1.57 71.30 S11 -9.2691 1.5030 1.81 33.29 S12 9.2569 1.0020 S13 8.0473 2.7184 1.59 61.15 S14 15.1389 0.8037 S15 Infinity 0.5500 1.52 64.20 S16 Infinity 0.9775 S17 Infinity 0.5000 1.52 64.20 S18 Infinity 0.1793 S19 Infinity

[0345] Table 21

[0346] Surface number k A4 A6 A8 S3 -2.2849 5.3433E-04 -1.0038E-05 -1.2180E-06 S4 -1.2259 -6.2352E-04 -1.2611E-04 2.6194E-07 S5 71.5900 -8.2389E-04 -5.6530E-05 -6.8463E-06 S6 84.3620 4.0710E-05 -2.7934E-06 1.4246E-06 S13 -0.2069 -1.8240E-03 -1.4941E-05 -1.2055E-05 S14 -93.4990 9.0202E-05 -2.8283E-04 2.5210E-06 Surface number A10 A12 A14 A16 S3 1.0255E-07 -4.9243E-09 1.3269E-10 -1.3115E-12 S4 -8.7887E-07 1.7445E-07 -1.4010E-08 4.5787E-10 S5 1.2347E-06 -2.0239E-07 1.6633E-08 -4.4757E-10 S6 1.2502E-07 -3.6483E-08 3.5054E-09 -1.1514E-10 S13 2.6405E-06 -4.3620E-07 3.3539E-08 -9.5190E-10 S14 5.2263E-06 -8.4703E-07 5.6180E-08 -1.3740E-09

[0347] Table 22

[0348] Example 12

[0349] Refer to the following Figure 12 which describes an optical lens according to Embodiment 12 of the present application. Figure 12 Fig. shows a schematic structural diagram of the optical lens according to Embodiment 12 of the present application.

[0350] As Figure 12 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 along the optical axis from the first side to the second side.

[0351] The first lens L1 is a meniscus lens with a negative optical power, its first side S1 is a convex surface, and its second side S2 is a concave surface. The second lens L2 is a meniscus lens with a negative optical power, its first side S3 is a convex surface, and its second side S4 is a concave surface. The third lens L3 is a biconcave lens with a negative optical power, its first side S5 is a concave surface, and its second side S6 is a concave surface. The fourth lens L4 is a biconvex lens with a positive optical power, its first side S8 is a convex surface, and its second side S9 is a convex surface. The fifth lens L5 is a biconvex lens with a positive optical power, its first side S10 is a convex surface, and its second side S11 is a convex surface. The sixth lens L6 is a biconcave lens with a negative optical power, its first side S11 is a concave surface, and its second side S12 is a concave surface. The seventh lens L7 is a meniscus lens with a positive optical power, its first side S13 is a convex surface, and its second side S14 is a concave surface. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The first side S13 and the second side S14 of the seventh lens L7 each have at least one inflection point. The optical lens may further include a diaphragm STO, and the diaphragm STO may be disposed between the third lens L3 and the fourth lens L4.

[0352] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first side S15 and a second side S16, and the auxiliary lens L9 may have a first side S17 and a second side S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens may be used to correct color deviation. The protective glass may be used to protect the image sensing chip IMA located at the imaging surface S19.

[0353] The optical lens provided in this application can be used as a vehicle front view lens (e.g., a camera lens). At this time, light from an object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is provided at the imaging surface S19. The optical lens provided in this application can also be used as a projection lens or a radar emission lens. At this time, light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto an object (not shown) on the first side.

[0354] Table 23 shows the curvature radius R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens of Example 12. Table 24 gives the conic coefficient k and the high-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Example 12.

[0355] Surface number Radius of curvature R (mm) Thickness / Spacing d (mm) Refractive index Nd Abbe number Vd S1 11.9760 3.9920 1.85 23.78 S2 7.3318 0.4866 S3 6.4279 4.5311 1.81 40.99 S4 4.0742 1.6840 S5 -55.1310 4.9900 1.81 40.99 S6 74.8500 1.3347 STO Infinity -0.2000 S8 12.9582 4.7428 1.62 63.39 S9 -8.7129 0.0998 S10 6.5809 4.4581 1.57 71.30 S11 -9.2321 1.4970 1.81 33.29 S12 9.2200 0.9980 S13 8.0152 2.7076 1.59 61.15 S14 15.0785 0.8005 S15 Infinity 0.5500 1.52 64.20 S16 Infinity 0.9775 S17 Infinity 0.5000 1.52 64.20 S18 Infinity 0.1709 S19 Infinity

[0356] Table 23

[0357]

[0358]

[0359] Table 24

[0360] Example 13

[0361] The following refers to Figure 13 and describes the optical lens according to Embodiment 13 of this application. Figure 13 shows a schematic structural diagram of the optical lens according to Embodiment 13 of this application.

[0362] As Figure 13 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 along the optical axis from the first side to the second side.

[0363] The first lens L1 is a meniscus lens with a negative optical power, its first surface S1 is convex, and its second surface S2 is concave. The second lens L2 is a meniscus lens with a negative optical power, its first surface S3 is convex, and its second surface S4 is concave. The third lens L3 is a meniscus lens with a positive optical power, its first surface S5 is convex, and its second surface S6 is concave. The fourth lens L4 is a biconvex lens with a positive optical power, its first surface S8 is convex, and its second surface S9 is convex. The fifth lens L5 is a biconvex lens with a positive optical power, its first surface S10 is convex, and its second surface S11 is convex. The sixth lens L6 is a biconcave lens with a negative optical power, its first surface S11 is concave, and its second surface S12 is concave. The seventh lens L7 is a meniscus lens with a positive optical power, its first surface S13 is convex, and its second surface S14 is concave. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The second surface S14 of the seventh lens L7 has at least one inflection point. The optical lens may further include a diaphragm STO, and the diaphragm STO may be disposed between the third lens L3 and the fourth lens L4.

[0364] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first surface S15 and a second surface S16, and the auxiliary lens L9 may have a first surface S17 and a second surface S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens may be used to correct color deviation. The protective glass may be used to protect the image sensing chip IMA located at the imaging surface S19.

[0365] The optical lens provided in the present application can be used as a vehicle front view lens (for example, a camera lens). At this time, light from an object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is provided at the imaging surface S19. The optical lens provided in the present application can also be used as a projection lens or a radar emission lens. At this time, light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto an object (not shown) on the first side.

[0366] Table 25 shows the radius of curvature R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens in Embodiment 13. Table 26 gives the conic coefficient k and the higher-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Embodiment 13.

[0367]

[0368]

[0369] Table 25

[0370] Surface number k A4 A6 A8 S3 -1.8006 1.8440E-04 -8.5092E-06 -7.7459E-07 S4 -1.1836 -5.2150E-04 -7.4640E-05 8.4109E-07 S5 -18.5700 -2.0076E-04 2.8801E-06 -5.5172E-06 S6 -14.2620 1.4185E-05 -2.0816E-06 9.7434E-07 S13 1.3199 -2.3876E-03 2.9073E-05 -1.7159E-05 S14 -44.8450 -1.7696E-03 1.0331E-04 -3.8561E-05 Surface number A10 A12 A14 A16 S3 5.2531E-08 -2.2983E-09 6.3750E-11 -6.7799E-13 S4 -1.4332E-07 1.0294E-07 -9.2618E-09 3.2007E-10 S5 1.3072E-06 -1.4382E-07 9.3351E-09 -2.3127E-10 S6 8.5303E-08 -2.7806E-08 2.7459E-09 -8.9383E-11 S13 2.5960E-06 -3.7962E-07 2.9558E-08 -9.0279E-10 S14 7.4866E-06 -8.7693E-07 5.3916E-08 -1.3215E-09

[0371] Table 26

[0372] Example 14

[0373] Refer to the following Figure 14 An optical lens according to Embodiment 14 of the present application is described. Figure 14 A schematic structural diagram of the optical lens according to Embodiment 14 of the present application is shown.

[0374] As Figure 14 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 along the optical axis from the first side to the second side.

[0375] The first lens L1 is a meniscus lens with a negative optical power, its first side S1 is a convex surface, and its second side S2 is a concave surface. The second lens L2 is a meniscus lens with a negative optical power, its first side S3 is a convex surface, and its second side S4 is a concave surface. The third lens L3 is a meniscus lens with a positive optical power, its first side S5 is a convex surface, and its second side S6 is a concave surface. The fourth lens L4 is a biconvex lens with a positive optical power, its first side S8 is a convex surface, and its second side S9 is a convex surface. The fifth lens L5 is a biconvex lens with a positive optical power, its first side S10 is a convex surface, and its second side S11 is a convex surface. The sixth lens L6 is a biconcave lens with a negative optical power, its first side S11 is a concave surface, and its second side S12 is a concave surface. The seventh lens L7 is a meniscus lens with a positive optical power, its first side S13 is a convex surface, and its second side S14 is a concave surface. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The second side S14 of the seventh lens L7 has at least one inflection point. The optical lens may further include a diaphragm STO, and the diaphragm STO may be disposed between the third lens L3 and the fourth lens L4.

[0376] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first side S15 and a second side S16, and the auxiliary lens L9 may have a first side S17 and a second side S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens may be used to correct color deviation. The protective glass may be used to protect the image sensing chip IMA located at the imaging surface S19.

[0377] The optical lens provided by the present application can be used as a vehicle front view lens (e.g., a camera lens). At this time, light from an object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is provided at the imaging surface S19. The optical lens provided by the present application can also be used as a projection lens or a radar emission lens. At this time, light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto an object (not shown) on the first side.

[0378] Table 27 shows the radius of curvature R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens of Example 14. Table 28 gives the conic coefficient k and the higher-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Example 14.

[0379] Surface number Radius of curvature R (mm) Thickness / Spacing d (mm) Refractive index Nd Abbe number Vd S1 12.5651 3.9920 1.85 23.78 S2 7.4843 0.5732 S3 6.5564 4.8933 1.81 40.99 S4 3.6602 2.3916 S5 39.9200 4.9900 1.81 40.99 S6 389.7527 1.6394 STO Infinity -0.2000 S8 11.0326 3.6561 1.62 63.39 S9 -10.7752 0.2505 S10 7.1069 4.1430 1.57 71.30 S11 -7.1965 1.4970 1.81 33.29 S12 9.3109 0.9980 S13 7.8292 2.4950 1.59 61.15 S14 15.2527 0.8005 S15 Infinity 0.5500 1.52 64.20 S16 Infinity 0.9762 S17 Infinity 0.5000 1.52 64.20 S18 Infinity 0.1691 S19 Infinity

[0380] Table 27

[0381] Surface number k A4 A6 A8 S3 -1.8006 1.7717E-04 -8.1755E-06 -7.4422E-07 S4 -1.1836 -5.0105E-04 -7.1713E-05 8.0810E-07 S5 -18.5700 -1.9289E-04 2.7672E-06 -5.3008E-06 S6 -14.2620 1.3629E-05 -2.0000E-06 9.3614E-07 S13 1.3199 -2.2940E-03 2.7933E-05 -1.6486E-05 S14 -44.8450 -1.7002E-03 9.9260E-05 -3.7049E-05 Surface number A10 A12 A14 A16 S3 5.0471E-08 -2.2082E-09 6.1250E-11 -6.5140E-13 S4 -1.3770E-07 9.8899E-08 -8.8986E-09 3.0752E-10 S5 1.2560E-06 -1.3818E-07 8.9690E-09 -2.2220E-10 S6 8.1958E-08 -2.6715E-08 2.6382E-09 -8.5878E-11 S13 2.4942E-06 -3.6473E-07 2.8399E-08 -8.6738E-10 S14 7.1930E-06 -8.4254E-07 5.1801E-08 -1.2697E-09

[0382] Table 28

[0383] Example 15

[0384] The following refers to Figure 15 The optical lens according to Embodiment 15 of the present application is described. Figure 15 The structural schematic diagram of the optical lens according to Embodiment 15 of the present application is shown.

[0385] As Figure 15 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 along the optical axis from the first side to the second side.

[0386] The first lens L1 is a meniscus lens with a negative optical power, its first surface S1 is convex, and its second surface S2 is concave. The second lens L2 is a meniscus lens with a positive optical power, its first surface S3 is convex, and its second surface S4 is concave. The third lens L3 is a meniscus lens with a positive optical power, its first surface S5 is concave, and its second surface S6 is convex. The fourth lens L4 is a biconvex lens with a positive optical power, its first surface S8 is convex, and its second surface S9 is convex. The fifth lens L5 is a biconcave lens with a negative optical power, its first surface S10 is concave, and its second surface S11 is concave. The sixth lens L6 is a biconvex lens with a positive optical power, its first surface S11 is convex, and its second surface S12 is convex. The seventh lens L7 is a meniscus lens with a negative optical power, its first surface S13 is convex, and its second surface S14 is concave. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The first surface S13 and the second surface S14 of the seventh lens L7 each have at least one inflection point. The optical lens may further include a stop STO, and the stop STO may be disposed between the third lens L3 and the fourth lens L4.

[0387] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first surface S15 and a second surface S16, and the auxiliary lens L9 may have a first surface S17 and a second surface S18. Optionally, the auxiliary lenses L8 and L9 may be filter lenses or protective glasses. The filter lens may be used to correct color deviation. The protective glass may be used to protect the image sensing chip IMA located at the imaging surface S19.

[0388] The optical lens provided in this application can be used as a vehicle front view lens (for example, a camera lens). At this time, light from an object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is provided at the imaging surface S19. The optical lens provided in this application can also be used as a projection lens or a radar emission lens. At this time, light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto an object (not shown) on the first side.

[0389] Table 29 shows the radius of curvature R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens in Embodiment 15. Table 30 gives the conic coefficient k and the higher-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Embodiment 15.

[0390] Surface number Radius of curvature R (mm) Thickness / Spacing d (mm) Refractive index Nd Abbe number Vd S1 12.0240 4.0080 1.85 23.78 S2 7.5832 0.2004 S3 6.5319 5.5402 1.81 40.99 S4 4.0625 2.0190 S5 -10.1137 5.0100 1.81 40.99 S6 -9.1515 0.1002 STO Infinity 0.1000 S8 21.1268 3.7180 1.62 63.39 S9 -6.2477 0.1002 S10 -11.0010 1.5030 1.65 33.89 S11 6.0120 3.6169 1.73 54.68 S12 -14.8174 1.6428 S13 30.7829 3.8934 1.59 61.15 S14 17.8183 0.8032 S15 Infinity 0.5500 1.52 64.20 S16 Infinity 0.9773 S17 Infinity 0.5000 1.52 64.20 S18 Infinity 0.1861 S19 Infinity

[0391] Table 29

[0392]

[0393]

[0394] Table 30

[0395] Example 16

[0396] Refer to the following Figure 16 which describes an optical lens according to Embodiment 16 of the present application. Figure 16 Fig. shows a schematic structural diagram of the optical lens according to Embodiment 16 of the present application.

[0397] As Figure 16 shown, the optical lens sequentially includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7 along the optical axis from the first side to the second side.

[0398] The first lens L1 is a meniscus lens with a negative optical power, its first side S1 is convex, and its second side S2 is concave. The second lens L2 is a meniscus lens with a positive optical power, its first side S3 is convex, and its second side S4 is concave. The third lens L3 is a meniscus lens with a positive optical power, its first side S5 is concave, and its second side S6 is convex. The fourth lens L4 is a biconvex lens with a positive optical power, its first side S8 is convex, and its second side S9 is convex. The fifth lens L5 is a biconcave lens with a negative optical power, its first side S10 is concave, and its second side S11 is concave. The sixth lens L6 is a biconvex lens with a positive optical power, its first side S11 is convex, and its second side S12 is convex. The seventh lens L7 is a meniscus lens with a negative optical power, its first side S13 is convex, and its second side S14 is concave. Among them, the fifth lens L5 and the sixth lens L6 form a cemented lens. The first side S13 and the second side S14 of the seventh lens L7 each have at least one inflection point. The optical lens may further include a stop STO, and the stop STO may be disposed between the third lens L3 and the fourth lens L4.

[0399] Exemplarily, the optical lens may further include auxiliary lenses L8 and L9 with zero optical power. The auxiliary lens L8 may have a first side S15 and a second side S16, and the auxiliary lens L9 may have a first side S17 and a second side S18. Optionally, the auxiliary lenses L8 and L9 may be filter glasses or protective glasses. The filter glass may be used to correct color deviation. The protective glass may be used to protect the image sensing chip IMA located at the imaging surface S19.

[0400] The optical lens provided by this application can be used as a vehicle front view lens (e.g., a camera lens). At this time, the light from the object sequentially passes through each surface S1 to S18 and finally forms an image on the imaging surface S19 provided on the second side, where an image sensing chip IMA is provided at the imaging surface S19. The optical lens provided by this application can also be used as a projection lens or a radar emission lens. At this time, the light from the image source surface on the second side sequentially passes through each surface S18 to S1 and finally projects onto the target object (not shown) on the first side.

[0401] Table 31 shows the radius of curvature R, thickness / distance d, refractive index Nd, and Abbe number Vd of each lens of the optical lens of Example 16. Table 32 gives the conic coefficient k and the high-order term coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each aspherical surface S3 to S6, S13, and S14 in Example 16.

[0402]

[0403]

[0404] Table 31

[0405] Surface number k A4 A6 A8 S3 -1.5018 4.5103E-04 4.8441E-06 -5.2404E-07 S4 -0.7546 -7.6192E-05 2.0797E-05 -1.1358E-05 S5 4.3171 -9.2192E-04 -9.7114E-06 5.3120E-06 S6 -1.8703 1.1429E-05 2.8366E-05 -2.7037E-07 S13 24.0860 -9.0456E-04 1.6117E-05 -6.0121E-06 S14 7.7731 -2.3621E-03 6.1645E-05 -9.1017E-06 Surface number A10 A12 A14 A16 S3 3.6474E-08 -1.2648E-09 2.2546E-11 -1.1582E-13 S4 1.2343E-06 6.6124E-08 -2.4025E-08 1.5138E-09 S5 -5.4834E-07 1.4228E-08 7.3868E-09 -4.4529E-10 S6 1.8343E-07 1.0814E-08 -2.6986E-09 1.5029E-10 S13 7.4772E-07 -6.7348E-08 3.3524E-09 -7.1662E-11 S14 1.1853E-06 -1.1015E-07 5.7158E-09 -1.2233E-10

[0406] Table 32

[0407] In summary, Examples 1 to 16 respectively satisfy the relationships shown in Table 33-1, Table 33-2, and Table 33-3 below. In Tables 33-1 to 33-3, the units of F, ENPD, TTL, H, D, DMAX, F1, F4, F5, F6, D10, D14, SAG10, SAG14, and F56 are millimeters (mm), and the unit of FOV is degrees (°).

[0408]

[0409]

[0410] Table 33-1

[0411]

[0412]

[0413] Table 33-2

[0414]

[0415]

[0416] Table 33-3

[0417] The present application also provides an electronic device, which may include an optical lens according to the above embodiments of the present application and an imaging element for converting an optical image formed by the optical lens into an electrical signal. The electronic device may be an independent electronic device such as a ranging camera, or an imaging module integrated on a ranging device such as a ranging device. In addition, the electronic device may also be an independent imaging device such as a vehicle-mounted camera, or an imaging module integrated on an auxiliary driving system such as an auxiliary driving system.

[0418] The above description is only a preferred embodiment of the present application and an explanation of the applied technical principles. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the technical solutions formed by mutually replacing the above features with technical features (but not limited to) having similar functions disclosed in the present application.

Claims

1. An optical lens, characterized in that, sequentially including, from the first side to the second side along the optical axis: a first lens with a negative optical power, whose first side is convex and second side is concave; a second lens, whose first side is convex and second side is concave; a third lens; a fourth lens with a positive optical power, whose second side is convex; a fifth lens; a sixth lens; and a seventh lens.

2. The optical lens according to claim 1, characterized in that, the second lens has a positive optical power or a negative optical power.

3. The optical lens according to claim 1, characterized in that, the third lens has a negative optical power, its first side is concave, and its second side is convex or concave.

4. The optical lens according to claim 1, characterized in that, the third lens has a positive optical power, its first side is concave and its second side is convex; or its first side is convex and its second side is concave.

5. The optical lens according to claim 1, characterized in that, the first side of the fourth lens is convex or concave.

6. The optical lens according to claim 1, characterized in that, the fifth lens has a positive optical power, its first side is convex and its second side is convex.

7. The optical lens according to claim 1, characterized in that, the sixth lens has a negative optical power, its first side is concave, and its second side is convex or concave.

8. The optical lens according to claim 1, characterized in that, the fifth lens has a negative optical power, its first side is concave and its second side is concave.

9. An optical lens, characterized in that, sequentially including, from the first side to the second side along the optical axis: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens, wherein, the first lens has a negative optical power; the fourth lens has a positive optical power; and the total length TTL of the optical lens and the total effective focal length F of the optical lens satisfy: TTL / F ≤ 4.

10. An electronic device, characterized in that, including the optical lens according to any one of claims 1 to 9 and an imaging element for converting the optical image formed by the optical lens into an electrical signal.

Images