Optical imaging lens

Abstract

The utility model discloses an optical imaging lens, which relates to the field of optical lenses, and comprises a first lens group, a second lens group, a third lens group and a fourth lens group, the first lens group comprises a first lens and a second lens which have negative refractive power, the object side surface of the first lens is a convex surface, the image side surface of the first lens is a concave surface, and the object side surface of the second lens is a concave surface; at least one of the object side surface and the image side surface of the second lens is an aspheric surface; a diaphragm; the second lens group comprises a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged in the direction from the object side to the image side along the optical axis and all have positive refractive power; the focal length of the optical imaging lens is F, the combined focal length of the first lens group is fg1, the combined focal length of the second lens group is fg2, and the following conditions are satisfied:-0.3 lt; f / fg1lt; 0, 0, 0.3, 0; f / fg2lt; and 0.5. The optical imaging lens provided by the technical scheme of the utility model can realize high-pass optical rotation and low distortion brightness, meets the requirement of high definition, and realizes the effect of good imaging quality.

Description

Technical Field

[0001] This utility model relates to the field of optical lens technology, and in particular to an optical imaging lens. Background Technology

[0002] As society develops, people's demand for home security is increasing, and the requirements for real-time, reliable video of people visiting outdoors are also rising. Megapixel resolution, large aperture, and nighttime shooting capabilities have become essential for such lenses. However, ordinary lenses often result in blurry images when shooting at close range. Utility Model Content

[0003] The main purpose of this invention is to provide an optical imaging lens that solves the technical problem of blurry images when shooting at close range.

[0004] To achieve the above objectives, the optical imaging lens proposed in this utility model comprises, along an optical axis from the object side to the image side, the following:

[0005] The first lens group includes a first lens and a second lens with negative refractive power and a third lens with positive refractive power, and the three are arranged sequentially along the optical axis from the object side to the image side. The object side of the first lens is convex and the image side is concave. The object side of the second lens is convex and the image side is concave. At least one of the object side and the image side of the second lens is aspherical. The object side and the image side of the third lens are both convex.

[0006] Aperture; and

[0007] The second lens group includes a fourth lens with positive refractive power, a fifth lens with negative refractive power, and a sixth lens with positive refractive power, and the three are arranged sequentially along the optical axis from the object side to the image side. The object side and image side of the fourth lens are both convex, and at least one of the object side and image side of the fourth lens is aspherical. The object side and image side of the fifth lens are both concave, and the object side and image side of the sixth lens are both convex.

[0008] The focal length of the optical imaging lens is F, the combined focal length of the first lens group is fg1, and the combined focal length of the second lens group is fg2, satisfying -0.3. <F / fg1<0.3,0<F / fg2<0.5。

[0009] In one embodiment, the focal length of the first lens is f1, and satisfies: -0.3 <F / f1<0。

[0010] In one embodiment, the focal length of the second lens is f2, and satisfies: -0.7 <F / f2<-0.1。

[0011] In one embodiment, the focal length of the third lens is f3, and it satisfies: 0.1 < F / f3 < 0.5.

[0012] In one embodiment, the focal length of the fourth lens is f4, and it satisfies: 0.1 < F / f4 < 0.5.

[0013] In one embodiment, the focal length of the fifth lens is f5, and it satisfies: -0.5 < F / f5 < -0.1.

[0014] In one embodiment, the focal length of the sixth lens is f6, and it satisfies: 0.2 < F / f6 < 0.6.

[0015] In one embodiment, the image side of the fifth lens is adhesively connected to the object side of the sixth lens, so that the fifth lens and the sixth lens form a compound lens. The focal length of the compound lens is f56, and it satisfies: -0.2 < F / f56 < 0.2.

[0016] In one embodiment, both the object side and the image side of the second lens are aspherical surfaces; and / or,

[0017] Both the object side and the image side of the fourth lens are aspherical surfaces.

[0018] In one embodiment, the optical distortion of the optical imaging lens is less than or equal to -1%; and / or,

[0019] The field angle of the optical imaging lens is FOV, and it satisfies 122° ≥ FOV ≥ 90°.

[0020] In the technical solution of the present utility model, by arranging the first lens group, the aperture stop, and the second lens group in sequence along the optical axis from the object side to the image side. Among them, both the first lens group and the second lens include three lenses. In this way, the six lenses are arranged in sequence from the object side to the image side, and the focal length F of the optical imaging lens and the combined focal length fg1 of the first lens group satisfy the relationship of -0.3 < F / fg1 < 0.3, and the focal length F of the optical imaging lens and the combined focal length fg2 of the second lens group satisfy the relationship of 0 < F / fg2 < 0.5, which can achieve high-pass optical rotation, low distortion, and meet the requirements of high definition, and further achieve the effect of good imaging quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0022] Figure 1 This is a schematic diagram of the structure of an embodiment of the optical imaging lens provided by this utility model;

[0023] Figure 2 Astigmatism curve diagram of embodiment 1 of the optical imaging lens provided by this utility model;

[0024] Figure 3 Distortion curve diagram of the first embodiment of the optical imaging lens provided by this utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the second embodiment of the optical imaging lens provided by this utility model;

[0026] Figure 5 Astigmatism curve diagram of embodiment 2 of the optical imaging lens provided by this utility model;

[0027] Figure 6 Distortion curve diagram of the second embodiment of the optical imaging lens provided by this utility model;

[0028] Figure 7 This is a schematic diagram of the structure of the optical imaging lens of embodiment three provided by this utility model;

[0029] Figure 8 Astigmatism curve diagram of embodiment three of the optical imaging lens provided by this utility model;

[0030] Figure 9 The distortion curve of the optical imaging lens of embodiment three provided by this utility model.

[0031] Explanation of icon numbers:

[0032] 100. First lens group; 110. First lens; 120. Second lens; 130. Third lens;

[0033] 200. Aperture;

[0034] 300. Second lens group; 310. Fourth lens; 320. Fifth lens; 330. Sixth lens;

[0035] 400. Infrared filter;

[0036] 500. Protective glass;

[0037] 600, Imaging plane.

[0038] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0040] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0041] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0042] In existing technologies, with social development and increased public demand for home security, the requirements for real-time, reliable video of people visiting outdoors are constantly rising. Megapixel resolution, large aperture, and nighttime shooting capabilities have become essential requirements for such lenses. However, ordinary lenses often suffer from image blurring when shooting at close range.

[0043] This invention proposes an optical imaging lens.

[0044] Please see Figure 1 , Figure 4 and Figure 7In one embodiment of this utility model, the optical imaging lens includes a first lens group 100, an aperture 200, and a third lens group 300, which are arranged sequentially along an optical axis O from the object side to the image side. The first lens group 100 includes a first lens 110 with negative refractive power, a second lens 120, and a third lens 130 with positive refractive power, which are arranged sequentially along the optical axis O from the object side to the image side. The object-side surface S1 of the first lens 110 is convex, and the image-side surface S2 is concave. The object-side surface S3 of the second lens 120 is convex, and the image-side surface S4 is concave. At least one of the object-side surface S3 and the image-side surface S4 of the second lens 120 is aspherical. The object-side surface S5 and the image-side surface S6 of the third lens 130 are both convex. The aperture 200; the second lens group 300 includes a first lens 110 with negative refractive power, a second lens 120, and a third lens 130 with positive refractive power. A fourth lens 310 with refractive power, a fifth lens 320 with negative refractive power, and a sixth lens 330 with positive refractive power are arranged sequentially along the optical axis O from the object side to the image side. The object-side surface S7 and the image-side surface S8 of the fourth lens 310 are both convex, and at least one is aspherical. The object-side surface S9 and the image-side surface S10 of the fifth lens 320 are both concave. The object-side surface S11 and the image-side surface S12 of the sixth lens 330 are both convex. The focal length of the optical imaging lens is F, the combined focal length of the first lens group 100 is fg1, and the combined focal length of the second lens group is fg2, satisfying -0.3. <F / fg1<0.3,0<F / fg2<0.5。

[0045] Based on the above, in the specific implementation process, the first lens 110, the second lens 120, the third lens 130, the aperture 200, the fourth lens 310, the fifth lens 320 and the sixth lens 330 are installed sequentially along the optical axis O from the object side to the image side, and the six lenses respectively have an object side facing the object side and an image side facing the image side.

[0046] The first lens 110 is a convex-concave lens, that is, the object side S1 of the first lens 110 is an arc surface that convexes towards the object side, and the image side S2 is a concave surface. Specifically, the part near the optical axis O is the image side S2 that is concave towards the image side, and the part near the edge of the first lens 110 is a plane.

[0047] The second lens 120 is a convex-concave lens, that is, the object-side surface S3 of the second lens 120 is convex and the image-side surface S4 is concave. Specifically, the part near the optical axis O is the image-side surface S4 which is concave towards the image side, and the part near the edge of the second lens 120 is a plane. At least one of the object-side surface S3 and the image-side surface S4 of the second lens 120 is an aspherical surface. The optical axis O passes through the object-side surface S3 and the image-side surface S4. The second lens 120 is a plastic lens.

[0048] The third lens 130 is a biconvex lens, that is, both the object side surface S5 and the image side surface S6 of the third lens 130 are convex surfaces. Specifically, the part of the image side surface S6 close to the optical axis O is a convex surface protruding towards the image side, and the part close to the edge of the third lens 130 is a plane. The optical axis O passes through the object side surface S5 and the image side surface S6. In addition, the aperture stop 200 is arranged close to the image side surface S6 of the third lens 130.

[0049] The fourth lens 310 is a biconvex lens. Specifically, both the object side surface S7 and the image side surface S8 of the fourth lens 310 are convex surfaces. The side of the fourth lens 310 facing the object side is the object side surface S7 and is a convex arc surface, and the side of the fourth lens 310 facing the image side is the image side surface S8 and is a convex arc surface. At least one of the object side surface and the image side surface of the fourth lens 310 is an aspherical surface. The optical axis O passes through the object side surface S7 and the image side surface S8. The fourth lens 310 is a plastic lens.

[0050] The fifth lens 320 is a biconcave lens, that is, both the object side surface S9 and the image side surface S10 of the fifth lens 320 are concave surfaces. Specifically, the parts of both the object side surface S9 and the image side surface S10 close to the optical axis O are concave surfaces recessed towards each other, and the parts close to the edge of the fifth lens 320 are planes. The optical axis O passes through the object side surface S9 and the image side surface S10.

[0051] The sixth lens 330 is a biconvex lens. Specifically, both the object side surface S11 and the image side surface S12 of the sixth lens 330 are convex surfaces protruding away from each other, and the optical axis O passes through the object side surface S11 and the image side surface S12.

[0052] In the technical solution of the present utility model, by arranging the first lens group, the aperture stop, and the second lens group along the optical axis in sequence from the object side to the image side, where the first lens group and the second lens both include three lenses, thus, six lenses are arranged in sequence from the object side to the image side, and the focal length F of the optical imaging lens and the combined focal length fg1 of the first lens group satisfy the relationship of -0.3 < F / fg1 < 0.3, and the focal length F of the optical imaging lens and the combined focal length fg2 of the second lens group satisfy the relationship of 0 < F / fg2 < 0.5, it can achieve high-pass optical rotation, low distortion, and meet the requirements of high definition, thereby achieving the effect of good imaging quality.

[0053] Furthermore, in order to enable the optical imaging lens to maintain good optical performance and high imaging quality, in the specific implementation process, the optical imaging lens satisfies the following conditions:

[0054] -0.3 < F / f1 < 0;

[0055] -0.7 < F / f2 < -0.1;

[0056] 0.1 < F / f3 < 0.5;

[0057] 0.1 < F / f4 < 0.5;

[0058] -0.5 < F / f5 < -0.1;

[0059] 0.2 < F / f6 < 0.6;

[0060] 122° ≥ FOV ≥ 90°;

[0061] The optical distortion of the optical imaging lens is less than or equal to -1%;

[0062] Where F is the focal length of the optical imaging lens, fg1 is the combined focal length of the first lens group 100, f1 is the focal length of the first lens 110, f2 is the focal length of the second lens 120, f3 is the focal length of the third lens 130, f4 is the focal length of the fourth lens 310, f5 is the focal length of the fifth lens 320, f6 is the focal length of the sixth lens 330. FOV is the field angle of the optical imaging lens.

[0063] Furthermore, the image side of the fifth lens 320 is adhesively connected to the object side of the sixth lens 330, so that the fifth lens 320 and the sixth lens 330 form a compound lens, and the focal length of the compound lens is f56, and it satisfies: -0.2 < F / f56 < 0.2. In the specific implementation process, the fifth lens 320 and the sixth lens 330 are connected by adhesive, and the thickness and transparency of the adhesive are strictly controlled to ensure the optical performance of the fifth lens 320 and the sixth lens 330.

[0064] In the specific implementation process, both the object side S3 and the image side S4 of the second lens 120 are aspherical surfaces, and both the object side S7 and the image side S8 of the fourth lens 120 are aspherical surfaces.

[0065] In addition, in the specific implementation process, the optical imaging lens further includes an infrared filter 400, a protective glass 500 and an imaging surface 600. Among them, the infrared filter 400 is disposed between the sixth lens 330 and the protective glass 500 to filter out the excess infrared light in the image light to improve the imaging quality. The protective glass 500 is disposed between the infrared filter 400 and the imaging surface 600 to protect the imaging surface 600, and the imaging surface 600 is used for imaging.

[0066] Embodiment 1

[0067] Based on the above, refer to Figures 1 to 3As shown, in this embodiment, the aperture stop 200 is positioned close to the third lens 130, and the imaging surface 600 is positioned close to the protective glass 500. The table below shows the system parameters of the optical imaging lens in this embodiment, where the parameters are the radius of curvature r, center thickness d, refractive index Nd, and effective aperture D, in mm. Taking the first lens 110 as an example, in the table below, numbers 1 and 2 represent the two surfaces of the first lens 110 in the direction from the object side to the image side, and so on, numbers 16 and 17 represent the two surfaces of the protective glass 500 in the direction from the object side to the image side.

[0068]

[0069] Furthermore, in this embodiment, the aspherical surface profile shape Z of the object-side surface S3 and image-side surface S4 of the second lens 120 and the object-side surface S7 and image-side surface S8 of the fourth lens 310 is obtained by the following formula:

[0070]

[0071] in,

[0072] Z: Aspherical surface profile shape;

[0073] c: the reciprocal of the radius of curvature;

[0074] h: Off-axis half-height of the surface;

[0075] k: Conic coefficient;

[0076] A4, A6, A8, A10, A12, A14 and A16: Coefficients of each order of the off-axis half-height h of the surface.

[0077] In this embodiment, the conic coefficient k, radius of curvature R, and coefficients A4, A6, A8, A10, A12, A14, and A16 of the object-side surface S3 and image-side surface S4 of the second lens 120 of the optical imaging lens, and the object-side surface S7 and image-side surface S8 of the fourth lens 310 are shown in the table below:

[0078] S3 S4 S7 S8 k 1.23E+01 -5.43E-01 1.08E+02 -1.02E+00 A2 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A4 1.58E-02 4.59E-03 -1.66E-02 2.73E-03 A6 1.32E-02 4.54E-04 -1.12E-03 3.51E-03 A8 7.67E-05 -9.32E-04 -1.13E-03 5.58E-05 A10 -1.84E-03 -1.03E-05 5.15E-06 -4.66E-05 A12 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A14 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A16 0.00E+00 0.00E+00 0.00E+00 0.00E+00 R 7.03 1.67 32.95 -3.2

[0079] The imaging quality of the optical imaging lens is verified using various simulated data from the optical imaging lens in this embodiment, with reference to... Figure 2 For astigmatism curves, Figure 3 This is a distortion curve diagram, which can effectively improve image quality.

[0080] Example 2

[0081] Based on the above, refer to Figures 4 to 6As shown, in this embodiment, the aperture stop 200 is positioned close to the third lens 130, and the imaging surface 600 is positioned close to the protective glass 500. The table below shows the system parameters of the optical imaging lens in this embodiment, where the parameters are the radius of curvature r, center thickness d, refractive index Nd, and effective aperture D, in mm. Taking the first lens 110 as an example, in the table below, numbers 2 and 3 represent the two surfaces of the first lens 110 in the direction from the object side to the image side, and so on, numbers 16 and 17 represent the two surfaces of the protective glass 500 in the direction from the object side to the image side.

[0082]

[0083]

[0084] Furthermore, in this embodiment, the aspherical surface profile shape Z of the object-side surface S3 and image-side surface S4 of the second lens 120 and the object-side surface S7 and image-side surface S8 of the fourth lens 310 is obtained by the following formula:

[0085]

[0086] in,

[0087] Z: Aspherical surface profile shape;

[0088] c: the reciprocal of the radius of curvature;

[0089] h: Off-axis half-height of the surface;

[0090] k: Conic coefficient;

[0091] A4, A6, A8, A10, A12, A14 and A16: Coefficients of each order of the off-axis half-height h of the surface.

[0092] In this embodiment, the conic coefficient k, radius of curvature R, and coefficients A4, A6, A8, A10, A12, A14, and A16 of the object-side surface S3 and image-side surface S4 of the second lens 120 of the optical imaging lens, and the object-side surface S7 and image-side surface S8 of the fourth lens 310 are shown in the table below:

[0093]

[0094]

[0095] The imaging quality of the optical imaging lens is verified using various simulated data from the optical imaging lens in this embodiment, with reference to... Figure 5 For astigmatism curves, Figure 6 This is a distortion curve diagram, which can effectively improve image quality.

[0096] Example 3

[0097] Based on the above, refer to Figures 7 to 9 As shown, in this embodiment, the aperture stop 200 is positioned close to the third lens 130, and the imaging surface 600 is positioned close to the protective glass 500. The table below shows the system parameters of the optical imaging lens in this embodiment, where the parameters are the radius of curvature r, center thickness d, refractive index Nd, and effective aperture D, in mm. Taking the first lens 110 as an example, in the table below, numbers 2 and 3 represent the two surfaces of the first lens 110 in the direction from the object side to the image side, and so on, numbers 16 and 17 represent the two surfaces of the protective glass 500 in the direction from the object side to the image side.

[0098]

[0099] Furthermore, in this embodiment, the aspherical surface profile shape Z of the object-side surface S3 and image-side surface S4 of the second lens 120 and the object-side surface S7 and image-side surface S8 of the fourth lens 310 is obtained by the following formula:

[0100]

[0101] in,

[0102] Z: Aspherical surface profile shape;

[0103] c: the reciprocal of the radius of curvature;

[0104] h: Off-axis half-height of the surface;

[0105] k: Conic coefficient;

[0106] A4, A6, A8, A10, A12, A14 and A16: Coefficients of each order of the off-axis half-height h of the surface.

[0107] In this embodiment, the conic coefficient k, radius of curvature R, and coefficients A4, A6, A8, A10, A12, A14, and A16 of the object-side surface S3 and image-side surface S4 of the second lens 120 of the optical imaging lens, and the object-side surface S7 and image-side surface S8 of the fourth lens 310 are shown in the table below:

[0108] S3 S4 S7 S8 k 2.49E+00 -5.74E-01 5.54E+01 -1.02E+00 A2 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A4 -1.51E-02 2..68E-03 1.36E-02 3.60E-03 A6 -1.09E-03 1..98E-03 1.06E-02 8.03E-04 A8 -3.59E-03 -1.36E-04 5.78E-05 -8.35E-04 A10 1.96E-06 -9.53E-06 5.78E-04 1.22E-05 A12 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A14 0.00E+00 0.00E+00 0.00E+00 0.00E+00 A16 0.00E+00 0.00E+00 0.00E+00 0.00E+00 R 3.86 1.66 30.34 -4.21

[0109] The imaging quality of the optical imaging lens is verified using various simulated data from the optical imaging lens in this embodiment, with reference to... Figure 8 For astigmatism curves, Figure 9 This is a distortion curve diagram, which can effectively improve image quality.

[0110] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the inventive concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An optical imaging lens, characterized in that, The optical imaging lens, along an optical axis from the object side to the image side, includes: The first lens group includes a first lens and a second lens with negative refractive power and a third lens with positive refractive power, and the three are arranged sequentially along the optical axis from the object side to the image side. The object side of the first lens is convex and the image side is concave. The object side of the second lens is convex and the image side is concave. At least one of the object side and the image side of the second lens is aspherical. The object side and the image side of the third lens are both convex. Aperture; and The second lens group includes a fourth lens with positive refractive power, a fifth lens with negative refractive power, and a sixth lens with positive refractive power, and the three are arranged sequentially along the optical axis from the object side to the image side. The object side and image side of the fourth lens are both convex, and at least one of the object side and image side of the fourth lens is aspherical. The object side and image side of the fifth lens are both concave, and the object side and image side of the sixth lens are both convex. The focal length of the optical imaging lens is F, the combined focal length of the first lens group is fg1, and the combined focal length of the second lens group is fg2, satisfying -0.

3. <F / fg1<0.3,0<F / fg2<0.5。 2. The optical imaging lens as described in claim 1, characterized in that, The focal length of the first lens is f1, and it satisfies: -0.3 <F / f1<0。 3. The optical imaging lens as described in claim 1, characterized in that, The second lens has a focal length of f2 and satisfies: -0.7 <F / f2<-0.1。 4. The optical imaging lens as described in claim 1, characterized in that, The focal length of the third lens is f3, and it satisfies: 0.1 <F / f3<0.5。 5. The optical imaging lens as described in claim 1, characterized in that, The fourth lens has a focal length of f4 and satisfies: 0.1 <F / f4<0.5。 6. The optical imaging lens as described in claim 1, characterized in that, The fifth lens has a focal length of f5 and satisfies: -0.5 <F / f5<-0.1。 7. The optical imaging lens as described in claim 6, characterized in that, The sixth lens has a focal length of f6 and satisfies: 0.2 <F / f6<0.6。 8. The optical imaging lens as described in claim 1, characterized in that, The image-side surface of the fifth lens is bonded to the object-side surface of the sixth lens, thereby forming a compound lens. The focal length of the compound lens is f56, and it satisfies: -0.2 <F / f56<0.2。 9. The optical imaging lens as described in claim 1, characterized in that, The object-side and image-side surfaces of the second lens are both aspherical; and / or, The object-side and image-side surfaces of the fourth lens are both aspherical.

10. The optical imaging lens as claimed in claim 1, characterized in that, The optical distortion of the optical imaging lens is less than or equal to -1%; and / or, The field of view of the optical imaging lens is FOV, and satisfies 122°≥FOV≥90°.

Images