camera lens

Abstract

This application discloses a camera lens, which includes: a lens barrel, and a lens group and a spacer element group disposed within the lens barrel. Among them, the lens group sequentially includes, from the object side to the image side along the optical axis: a first lens with a positive optical power, a second lens with a positive optical power, a third lens with a negative optical power, a fourth lens with a positive optical power, a fifth lens with a negative optical power, and a sixth lens with a negative optical power; the spacer element group includes: a fourth spacer element and a fifth spacer element; wherein, the maximum semi-field angle Semi-FOV of the camera lens satisfies: 51° < Semi-FOV < 54°; the effective focal length f5 of the fifth lens, the outer diameter D5s of the object side surface of the fifth spacer element, and the inner diameter d4s of the object side surface of the fourth spacer element satisfy: -6.1 < f5 / (D5s - d4s) < -3.1; and the effective focal length f6 of the sixth lens, the inner diameter d5s of the object side surface of the fifth spacer element, and the thickness CP5 of the fifth spacer element along the optical axis direction satisfy: -59.4mm ‑1 ≤ f6 / d5s / CP5 ≤ -43.8mm ‑1 .

Description

Technical Field

[0001] This application relates to the field of optical elements, and specifically, to a camera lens. Background Art

[0002] With the rapid development of technology, consumer electronic devices such as mobile phones and tablet computers are rapidly iterated and updated. The market has higher and higher requirements for the optical lenses on the product side. In addition to requiring the lenses to have characteristics such as high pixels, large viewing angles, and large apertures, strict requirements are also put forward for the mechanical size and weight of the lenses.

[0003] Currently, there are generally some problems with the optical lenses on the market. For example, it is difficult to balance characteristics such as small size, large viewing angle, and assembly stability. In particular, when there are problems with the processability and sensitivity of the lens, it will directly affect the performance stability after assembly, especially the impact of lens tilt on the peak value of MTF (Modulation Transfer Function). The unreasonable design of the spatial arrangement and size of the lens and spacer elements is one of the important reasons for the assembly stability and lens tilt. Therefore, how to reasonably set the spatial arrangement and related parameters of the lens and spacer elements, while ensuring small size and large viewing angle, restrain the impact of lens tilt on the MTF peak value, reduce sensitivity, and ensure MTF stability, is one of the research hotspots of those skilled in the art. Summary of the Invention

[0004] In the first aspect of this application, there is provided such a camera lens, which includes: a lens barrel, and a lens group and a spacer element group placed in the lens barrel. Among them, the lens group includes, in order from the object side to the image side along the optical axis: a first lens with positive optical power, its object side is convex and its image side is concave; a second lens with positive optical power, its object side is convex and its image side is convex; a third lens with negative optical power, its object side is concave and its image side is convex; a fourth lens with positive optical power, its image side is convex; a fifth lens with negative optical power, its object side is convex and its image side is concave; and a sixth lens with negative optical power, its object side is convex and its image side is concave; the spacer element group includes: a fourth spacer element placed on the image side of the fourth lens and at least partially contacting the image side of the fourth lens; and a fifth spacer element placed on the image side of the fifth lens and at least partially contacting the image side of the fifth lens; where the maximum semi-field angle Semi-FOV of the camera lens satisfies: 51° < Semi-FOV < 54°; the effective focal length f5 of the fifth lens, the outer diameter D5s of the object side of the fifth spacer element, and the inner diameter d4s of the object side of the fourth spacer element satisfy: -6.1 < f5 / (D5s - d4s) < -3.1; and the effective focal length f6 of the sixth lens, the inner diameter d5s of the object side of the fifth spacer element, and the thickness CP5 of the fifth spacer element along the optical axis direction satisfy: -59.4mm-1 ≤f6 / d5s / CP5≤ -43.8 mm -1 。

[0005] In one embodiment, the spacer element group further includes: a first spacer element disposed on the image side of the first lens and at least partially contacting the image side surface of the first lens; the imaging lens satisfies: 38.9 < f1 / EP01 < 58.3, where f1 is the effective focal length of the first lens, and EP01 is the distance along the optical axis from the object-side end surface of the lens barrel to the object-side surface of the first spacer element.

[0006] In one embodiment, the imaging lens satisfies: -2.90 < f5 / f < -2.60, 0.8 ≤ f4 / f < 0.9, and 1.20 < d5s / d4m < 1.34, where f5 is the effective focal length of the fifth lens, f is the effective focal length of the imaging lens, f4 is the effective focal length of the fourth lens, d5s is the inner diameter of the object-side surface of the fifth spacer element, and d4m is the inner diameter of the image-side surface of the fourth spacer element.

[0007] In one embodiment, the spacer element group further includes: a third spacer element and a third auxiliary spacer element. The third spacer element is disposed on the image side of the third lens and at least partially contacts the image side surface of the third lens; the third auxiliary spacer element is disposed on the image side of the third spacer element and at least partially contacts the image side surface of the third spacer element; the imaging lens satisfies: 1.4 < (CT3 + CT4) / CP3b ≤ 3.1, where CT3 is the central thickness of the third lens on the optical axis, CT4 is the central thickness of the fourth lens on the optical axis, and CP3b is the maximum thickness of the third auxiliary spacer element along the optical axis.

[0008] In one embodiment, the imaging lens satisfies: 0.90 ≤ D5m / D4s ≤ 1.30, where D5m is the outer diameter of the image-side surface of the fifth spacer element, and D4s is the outer diameter of the object-side surface of the fourth spacer element.

[0009] In one embodiment, the object-side surface of the fifth lens gradually changes from a convex surface to a concave surface from the paraxial region to the marginal region, and the image-side surface gradually changes from a concave surface to a convex surface from the paraxial region to the marginal region; the imaging lens satisfies: 4.9 ≤ (R9 + R10) / (R11 + R12) ≤ 5.9, where R9 is the radius of curvature of the object-side surface of the fifth lens, R10 is the radius of curvature of the image-side surface of the fifth lens, R11 is the radius of curvature of the object-side surface of the sixth lens, and R12 is the radius of curvature of the image-side surface of the sixth lens.

[0010] In one embodiment, the camera lens satisfies: 13.5≤SA42 / CP4≤18.5, where SA42 is the distance from the intersection of the image side of the fourth lens and the optical axis to the object side of the fourth spacer along the optical axis, and CP4 is the maximum thickness of the fourth spacer along the optical axis.

[0011] In one embodiment, the camera lens satisfies: 2.90≤EP45 / CT5×N5≤3.8, where EP45 is the distance along the optical axis from the image side of the fourth spacer element to the object side of the fifth spacer element, CT5 is the center thickness of the fifth lens on the optical axis, and N5 is the refractive index of the fifth lens.

[0012] In one embodiment, the spacer element group further includes a second spacer element disposed on the image side of the second lens and at least partially in contact with the image side surface of the second lens; the camera lens satisfies: 3.6mm. -1 ≤CT2 / CT1 / EP12≤4.9mm -1 Wherein, CT2 is the center thickness of the second lens on the optical axis, CT1 is the center thickness of the first lens on the optical axis, and EP12 is the distance along the optical axis from the image side of the first spacer element to the object side of the second spacer element.

[0013] In one embodiment, the spacer group further includes a sixth spacer element disposed on the image side of the sixth lens and in at least partial contact with the image side of the sixth lens; the camera lens satisfies: 1.6≤(EP45+EP56) / (CT5+CT6)<2.4, where EP45 is the distance along the optical axis from the image side of the fourth spacer element to the object side of the fifth spacer element, EP56 is the distance along the optical axis from the image side of the fifth spacer element to the object side of the sixth spacer element, CT5 is the center thickness of the fifth lens on the optical axis, and CT6 is the center thickness of the sixth lens on the optical axis.

[0014] In one embodiment, at least one of the object-side and image-side surfaces of the fifth lens has at least one inflection point, and at least one of the object-side and image-side surfaces of the sixth lens has at least one inflection point. The camera lens satisfies: 7.5≤(OD6-OD5) / CP5≤13, where OD5 is the maximum outer diameter of the fifth lens in the direction perpendicular to the optical axis, OD6 is the maximum outer diameter of the sixth lens in the direction perpendicular to the optical axis, and CP5 is the maximum thickness of the fifth spacer element along the optical axis.

[0015] The second aspect of the present application provides a camera lens, which includes: a lens barrel, and a lens group and a spacer element group disposed in the lens barrel. Among them, the lens group sequentially includes, from the object side to the image side along the optical axis: a first lens with a positive optical power, a second lens with a positive optical power, a third lens with a negative optical power, a fourth lens with a positive optical power, a fifth lens with a negative optical power, and a sixth lens with a negative optical power. Among them, the object side surface of the first lens is convex, and the image side surface is concave. The object side surface of the second lens is convex, and the image side surface is convex. The object side surface of the third lens is concave, and the image side surface is convex. The object side surface of the fourth lens is convex or concave, and the image side surface is convex. The object side surface of the fifth lens is convex, and the image side surface is concave. The object side surface of the sixth lens is convex, and the image side surface is concave. The spacer element group includes a fourth spacer element and a fifth spacer element. The fourth spacer element is disposed on the image side of the fourth lens and at least partially contacts the image side surface of the fourth lens. The fifth spacer element is disposed on the image side of the fifth lens and at least partially contacts the image side surface of the fifth lens. This camera lens satisfies: -2.90 < f5 / f < -2.60, 0.8 ≤ f4 / f < 0.9, and 1.20 < d5s / d4m < 1.34, where f5 is the effective focal length of the fifth lens, f is the effective focal length of the camera lens, f4 is the effective focal length of the fourth lens, d5s is the inner diameter of the object side surface of the fifth spacer element, and d4m is the inner diameter of the image side surface of the fourth spacer element.

[0016] The third aspect of the present application provides a camera lens, which includes: a lens barrel, and a lens group and a spacer element group disposed in the lens barrel. Among them, the lens group sequentially includes, from the object side to the image side along the optical axis: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The spacer element group includes a first spacer element and a second spacer element. The first spacer element is disposed on the image side of the first lens and at least partially contacts the image side surface of the first lens. The second spacer element is disposed on the image side of the second lens and at least partially contacts the image side surface of the second lens. The camera lens can satisfy: 38.9 < f1 / EP01 < 58.3 and 3.6mm -1 ≤ CT2 / CT1 / EP12 ≤ 4.9mm -1 where f1 is the effective focal length of the first lens, EP01 is the distance along the optical axis from the object side end face of the lens barrel to the object side surface of the first spacer element, CT2 is the central thickness of the second lens on the optical axis, CT1 is the central thickness of the first lens on the optical axis, and EP12 is the distance along the optical axis from the image side surface of the first spacer element to the object side surface of the second spacer element.

[0017] The present application provides a six-piece imaging lens. By reasonably setting the optical powers, surface profiles of each lens, and relevant parameters of the fourth spacer element and the fifth spacer element, and satisfying 51° < Semi-FOV < 54°, -6.1 < f5 / (D5s - d4s) < -3.1, and -59.4 mm -1 ≤ f6 / d5s / CP5 ≤ -43.8 mm -1 , while ensuring that the lens has wide-angle characteristics, it also has good assembly stability and low tilt peak sensitivity of the fifth lens and the sixth lens. Both the fifth lens and the sixth lens have negative optical powers, and their processability and sensitivity are likely to affect the performance stability after assembly, especially the influence of lens tilt on the MTF peak. In the present application, by controlling the focal length of the fifth lens, the difference between the outer diameter of the object side of the fifth spacer element and the inner diameter of the object side of the fourth spacer element, and controlling the ratio of the focal length of the sixth lens, the inner diameter of the object side of the fifth spacer element, and the maximum thickness of the fifth spacer element, it is beneficial to restrict the overall shape of the fifth lens and the sixth lens and the lens aperture difference, reasonably set the thickness of the fifth spacer element, increase the bearing stability between the fifth lens and the sixth lens, be beneficial to restricting the influence of the tilt of the fifth lens and the sixth lens in the T direction on the MTF peak, reduce the tilt peak sensitivity, ensure the MTF stability, and at the same time reduce the risk of abrasion between lenses. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] By reading the detailed description of the non-limiting embodiments made with reference to the following drawings, other features, objectives, and advantages of the present application will become more apparent:

[0019] Figure 1A shows a schematic diagram of the structural arrangement and some parameters of an imaging lens according to the present application;

[0020] Figure 1B shows a schematic diagram of the parameters SA42, OD5, and OD6 of an imaging lens according to the present application;

[0021] Figure 2A shows a line graph of the change amount of the MTF peak of each field when the fifth lens and the sixth lens of three imaging lenses are tilted by +3' in the T direction;

[0022] Figure 2B shows a line graph of the change amount of the MTF peak of each field when the fifth lens and the sixth lens of three imaging lenses are tilted by -3' in the T direction;

[0023] Figure 3A shows a schematic diagram of the structure of the imaging lens according to Embodiment 1 of the present application;

[0024] Figure 3B shows a schematic diagram of the structure of the imaging lens according to Embodiment 2 of the present application;

[0025] Figure 3C A schematic diagram of the camera lens according to Embodiment 3 of this application is shown;

[0026] Figures 4A to 4D The on-axis chromatic aberration curves, astigmatism curves, distortion curves, and magnification chromatic aberration curves of the camera lenses according to Embodiments 1 to 3 of this application are shown respectively.

[0027] Figure 5A A schematic diagram of the camera lens according to Embodiment 4 of this application is shown;

[0028] Figure 5B A schematic diagram of the camera lens according to Embodiment 5 of this application is shown;

[0029] Figure 5C A schematic diagram of the structure of a camera lens according to Embodiment 6 of this application is shown;

[0030] Figures 6A to 6D The on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration curve of the camera lens according to Embodiments 4 to 6 of this application are shown respectively.

[0031] Figure 7A A schematic diagram of the camera lens according to Embodiment 7 of this application is shown;

[0032] Figure 7B A schematic diagram of the camera lens according to Embodiment 8 of this application is shown;

[0033] Figure 7C A schematic diagram of the structure of a camera lens according to Embodiment 9 of this application is shown; and

[0034] Figures 8A to 8D The on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration curve of the camera lens according to Embodiments 7 to 9 of this application are shown respectively. Detailed Implementation

[0035] To better understand this application, various aspects of this application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are merely illustrative of exemplary embodiments of this application and are not intended to limit the scope of this 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.

[0036] It should be noted that in this specification, the terms "first," "second," "third," etc., are used only to distinguish one feature from another and do not imply any limitation on the features. Therefore, without departing from the teachings of this application, the first lens discussed below may also be referred to as the second lens or the third lens.

[0037] In the accompanying drawings, the thickness, size, and shape of the lenses have been slightly exaggerated for ease of illustration. Specifically, the shapes of the spherical or aspherical surfaces shown in the drawings are illustrated by way of example. That is, the shapes of the spherical or aspherical surfaces are not limited to those shown in the drawings. The drawings are for illustrative purposes only and are not strictly to scale.

[0038] In this article, the paraxial region refers to the region near the optical axis. If the lens surface is convex and the location of the convexity 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 location of the concaveness 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 subject is called the object-side surface of the lens, and the surface of each lens closest to the imaging plane is called the image-side surface of the lens.

[0039] It should also be understood that the terms "comprising," "including," "having," "containing," and / or "comprising," 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. Furthermore, when expressions such as "at least one of..." appear after a list of listed features, they modify the entire list of features, not individual elements in the list. Additionally, when describing embodiments of this application, the word "may" is used to mean "one or more embodiments of this application." And the term "exemplary" is intended to refer to an example or illustration.

[0040] Unless otherwise specified, all terms used herein (including technical and scientific terms) shall have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. It should also be understood that terms (e.g., those defined in common dictionaries) shall be interpreted as having the meaning consistent with their meaning in the context of the relevant art and shall not be interpreted in an idealized or overly formalized sense, unless expressly so specified herein.

[0041] It should be noted that, unless otherwise specified, the embodiments and features described in the embodiments of this application can be combined with each other. The following embodiments only illustrate several implementation methods of this application, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the patent application. It should be pointed out that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of this application, and these all fall within the protection scope of this application. For example, the lens group, lens barrel, and spacer element in the various embodiments of this application can be arbitrarily combined, and it is not limited to the lens group in one embodiment being combined only with the lens barrel, spacer element, etc. of that embodiment.

[0042] The present application will now be described in detail with reference to the accompanying drawings and embodiments.

[0043] A camera lens according to an exemplary embodiment of this application includes a lens barrel and a lens group and a spacer element group disposed within the lens barrel. The lens group may include six lenses with optical power, namely a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. These six lenses are arranged sequentially along the optical axis from the object side to the image side. Any two adjacent lenses among the first to sixth lenses may have a spacing distance.

[0044] In an exemplary embodiment, the first lens may have positive optical power, the second lens may have positive optical power, the third lens may have negative optical power, the fourth lens may have positive optical power, the fifth lens may have negative optical power, and the sixth lens may have negative optical power.

[0045] In an exemplary embodiment, the object-side surface of the first lens is convex, and the image-side surface is concave.

[0046] In an exemplary embodiment, the object-side surface of the second lens is convex, and the image-side surface is also convex.

[0047] In an exemplary embodiment, the object-side surface of the third lens is concave, and the image-side surface is convex.

[0048] In an exemplary embodiment, the object-side surface of the fourth lens is convex or concave, and the image-side surface is convex.

[0049] In an exemplary embodiment, the object-side surface of the fifth lens is convex, and the image-side surface is concave.

[0050] In an exemplary embodiment, the object-side surface of the sixth lens is convex, and the image-side surface is concave.

[0051] In an exemplary embodiment, the spacer element group includes a fourth spacer element and a fifth spacer element, wherein the fourth spacer element is disposed on the image side of the fourth lens and at least partially contacts the image side of the fourth lens; and the fifth spacer element is disposed on the image side of the fifth lens and at least partially contacts the image side of the fifth lens.

[0052] In an exemplary embodiment, the spacer element group of the camera lens may include at least one of a first spacer element, a second spacer element, a third spacer element, a fourth spacer element, a fifth spacer element, and a sixth spacer element. The first spacer element is positioned on the image side of the first lens and at least partially contacts the image side of the first lens. The second spacer element is positioned on the image side of the second lens and at least partially contacts the image side of the second lens. The third spacer element is positioned on the image side of the third lens and at least partially contacts the image side of the third lens. The fourth spacer element is positioned on the image side of the fourth lens and at least partially contacts the image side of the fourth lens. The fifth spacer element is positioned on the image side of the fifth lens and at least partially contacts the image side of the fifth lens. The sixth spacer element is positioned on the image side of the sixth lens and at least partially contacts the image side of the sixth lens. It should be understood that this application does not specifically limit the number of spacer elements; any number of spacer elements may be included between any two lenses, and the entire camera lens may also include any number of spacer elements. Spacer elements help the camera lens intercept excess reflected light paths, reducing stray light and ghosting. Spacer elements also help increase the support between the lens and the lens barrel, which is beneficial to improving problems such as poor assembly stability and low performance yield caused by large step differences between lenses.

[0053] Figure 1A This diagram illustrates the structural layout of a camera lens according to this application, as well as schematic diagrams of some parameters. Figure 1A As shown, a camera lens of this application may include a lens barrel P0 and a lens group and a spacer element group disposed within the lens barrel P0. The lens group includes, in sequence along the optical axis from the object side to the image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The spacer element group includes a first spacer element P1, a second spacer element P2, a third spacer element P3, a third auxiliary spacer element P3b, a fourth spacer element P4, and a fifth spacer element P5. The first spacer element P1 is disposed on the image side of the first lens and at least partially contacts the image side of the first lens. The second spacer element P2 is disposed on the image side of the second lens and at least partially contacts the image side of the second lens. The third spacer element P3 is disposed on the image side of the third lens and at least partially contacts the image side of the third lens. The third auxiliary spacer element P3b is disposed on the image side of the third spacer element P3 and at least partially contacts the image side of the third spacer element P3. The fourth spacer element P4 is disposed on the image side of the fourth lens and at least partially contacts the image side of the fourth lens. The fifth spacer element P5 is disposed on the image side of the fifth lens and at least partially contacts the image side of the fifth lens.

[0054] like Figure 1AAs shown, d4s is the inner diameter of the object side surface of the fourth spacer element, d4m is the inner diameter of the image side surface of the fourth spacer element, d0s is the inner diameter of the object side end surface of the lens barrel, d5s is the inner diameter of the object side surface of the fifth spacer element, D4s is the outer diameter of the object side surface of the fourth spacer element, D5s is the outer diameter of the object side surface of the fifth spacer element, D5m is the outer diameter of the image side surface of the fifth spacer element, EP01 is the distance along the optical axis from the object side end surface of the lens barrel to the object side surface of the first spacer element, EP12 is the distance along the optical axis from the image side surface of the first spacer element to the object side surface of the second spacer element, CP3b is the maximum thickness along the optical axis of the third auxiliary spacer element, CP4 is the maximum thickness along the optical axis of the fourth spacer element, EP45 is the distance along the optical axis from the image side surface of the fourth spacer element to the object side surface of the fifth spacer element, EP56 is the distance along the optical axis from the image side surface of the fifth spacer element to the object side surface of the sixth spacer element, and CP5 is the thickness along the optical axis of the fifth spacer element.

[0055] Figure 1B A schematic diagram showing the parameters SA42, OD5, and OD6 is presented, where SA42 is the distance along the optical axis from the intersection point of the image side surface of the fourth lens and the optical axis to the object side surface of the fourth spacer element, OD5 represents the maximum outer diameter of the fifth lens in the direction perpendicular to the optical axis, and OD6 represents the maximum outer diameter of the sixth lens in the direction perpendicular to the optical axis.

[0056] Those skilled in the art should understand that some parameters of the lenses commonly used in the art (such as the central thickness CT1 of the first lens on the optical axis) are not shown in Figure 1A and Figure 1B shown, Figure 1A and Figure 1B Only some parameters of the lenses, lens barrels, and spacer elements of a camera lens of the present application are示例性 shown for better understanding of the present invention.

[0057] In an exemplary embodiment, the maximum semi-field angle Semi-FOV of the camera lens according to the present application satisfies: 51° < Semi-FOV < 54°. More specifically, Semi-FOV can further satisfy 51.5° < Semi-FOV < 53.5°.

[0058] In an exemplary embodiment, the camera lens according to the present application can satisfy: -6.1 < f5 / (D5s - d4s) < -3.1, where f5 is the effective focal length of the fifth lens, D5s is the outer diameter of the object side surface of the fifth spacer element, and d4s is the inner diameter of the object side surface of the fourth spacer element.

[0059] In an exemplary embodiment, the camera lens according to the present application can satisfy: -59.4 mm -1 ≤ f6 / d5s / CP5 ≤ -43.8 mm -1, where f6 is the effective focal length of the sixth lens, d5s is the inner diameter of the object side surface of the fifth spacer element, and CP5 is the thickness of the fifth spacer element along the optical axis direction.

[0060] The imaging lens according to an exemplary embodiment of the present application includes: a lens barrel, and a lens group and a spacer element group disposed within the lens barrel. Among them, the lens group includes, in order from the object side to the image side along the optical axis: a first lens with a positive optical power, a second lens with a positive optical power, a third lens with a negative optical power, a fourth lens with a positive optical power, a fifth lens with a negative optical power, and a sixth lens with a negative optical power. Among them, the object side surface of the first lens is convex, and the image side surface is concave. The object side surface of the second lens is convex, and the image side surface is convex. The object side surface of the third lens is concave, and the image side surface is convex. The object side surface of the fourth lens is convex or concave, and the image side surface is convex. The object side surface of the fifth lens is convex, and the image side surface is concave. The object side surface of the sixth lens is convex, and the image side surface is concave. The spacer element group includes a fourth spacer element and a fifth spacer element. The imaging lens satisfies: 51° < Semi-FOV < 54°, -6.1 < f5 / (D5s - d4s) < -3.1, and -59.4 mm -1 ≤ f6 / d5s / CP5 ≤ -43.8 mm -1 , where Semi-FOV is the maximum half field angle of the imaging lens, f5 is the effective focal length of the fifth lens, D5s is the outer diameter of the object side surface of the fifth spacer element, d4s is the inner diameter of the object side surface of the fourth spacer element, f6 is the effective focal length of the sixth lens, d5s is the inner diameter of the object side surface of the fifth spacer element, and CP5 is the thickness of the fifth spacer element along the optical axis direction. By setting the optical power distribution of the lenses as positive, positive, negative, positive, negative, negative and constraining the corresponding surface shapes of the lenses, it can be ensured that the maximum half field angle of the lens is in the range of 51° to 54°. The fifth lens and the sixth lens both have negative optical powers, and their processability and sensitivity are likely to affect the performance stability after assembly, especially the influence of the lens tilt on the MTF peak value. In the present application, by controlling the focal length of the fifth lens, the difference between the outer diameter of the object side surface of the fifth spacer element and the inner diameter of the object side surface of the fourth spacer element, and controlling the ratio of the focal length of the sixth lens, the inner diameter of the object side surface of the fifth spacer element, and the maximum thickness of the fifth spacer element, it is beneficial to constrain the overall shapes of the fifth lens and the sixth lens and the lens aperture difference, reasonably set the thickness of the fifth spacer element, increase the bearing stability between the fifth lens and the sixth lens, be beneficial to constraining the influence of the tilt of the fifth lens and the sixth lens in the T direction on the MTF peak value, reduce the tilt peak sensitivity, ensure the MTF stability, and at the same time reduce the risk of abrasion between the lenses.

[0061] The following combines Table 1-1, Table 1-2, Figure 2A and Figure 2B, further illustrate that the camera lens of the present application satisfies 51° < Semi - FOV < 54°, - 6.1 < f5 / (D5s - d4s) < - 3.1 and - 59.4mm -1 ≤f6 / d5s / CP5≤ - 43.8mm -1 When it does, it can ensure good assembly stability while having a wide - angle feature of the lens. The fifth lens and the sixth lens have low tilt peak sensitivity and high MTF stability.

[0062] Table 1 - 1 shows the variation of the MTF peak values of each field of view when the fifth lens and the sixth lens of three camera lenses are tilted + 3′ in the T direction. Figure 2A It shows a line graph of the variation of the MTF peak values of each field of view when the fifth lens and the sixth lens of the three camera lenses in Table 1 - 1 are tilted + 3′ in the T direction. Table 1 - 2 shows the variation of the MTF peak values of each field of view when the fifth lens and the sixth lens of the three camera lenses are tilted - 3′ in the T direction. Figure 2B It shows a line graph of the variation of the MTF peak values of each field of view when the fifth lens and the sixth lens of the three camera lenses in Table 1 - 2 are tilted - 3′ in the T direction.

[0063] In Table 1 - 1 and Table 1 - 2, the symbols “+” and “ - ” in + 3′ and - 3′ represent the tilt directions of the lens relative to the designed position. The variation of the MTF peak value under different fields of view is the difference between the value after tilting and the value before tilting. A negative number indicates that the value after tilting is smaller than the value before tilting, and a positive number indicates that the value after tilting is larger than the value before tilting. The MTF peak value is in percentage (%) and has no unit. More specifically, the variation of the MTF peak value is the variation of the MTF peak value at a spatial frequency of 63p / mm.

[0064]

[0065]

[0066] Table 1 - 1

[0067]

[0068] Table 1 - 2

[0069] Table 1 - 1 and Figure 2A In the camera lens 1, it satisfies - 6.1 < f5 / (D5s - d4s) < - 3.0 and - 59.6mm of the present application -1 <f6 / d5s / CP5 < - 43.5mm -1The ranges are such that the maximum changes in the MTF peaks of the fifth and sixth lenses are 1.55% and -2.16% respectively, both within ±3%. The MTF peaks are relatively stable across the entire field of view, and the sensitivity to tilting of the fifth and sixth lenses in the T direction is low. However, both imaging lens 2 and imaging lens 3 do not meet the requirements of -6.1 < f5 / (D5s - d4s) < -3.0 and -59.6 mm -1 <f6 / d5s / CP5 < -43.5 mm -1 For the ranges, the maximum changes in the MTF peaks of the fifth and sixth lenses of imaging lens 2 are 14.19% and -10.67% respectively, and the maximum changes in the MTF peaks of the fifth and sixth lenses of imaging lens 3 are -18.00% and 15.50% respectively. From Figure 2A it can be directly seen that the MTF peak fluctuations of imaging lens 2 and imaging lens 3 are relatively large, especially within the field of view from 0.4 to 0.6. The sensitivity to tilting of the fifth and sixth lenses in the T direction is high, and the change in the MTF peak is more than ±10%.

[0070] Table 1-2 and Figure 2B imaging lens 1 in meets the requirements of -6.1 < f5 / (D5s - d4s) < -3.0 and -59.6 mm -1 <f6 / d5s / CP5 < -43.5 mm -1 The ranges are such that the maximum changes in the MTF peaks of the fifth and sixth lenses are -2.86% and 3.14% respectively, both within ±4%. The MTF peaks are relatively stable across the entire field of view, and the sensitivity to tilting of the fifth and sixth lenses in the T direction is low. However, both imaging lens 2 and imaging lens 3 do not meet the requirements of -6.1 < f5 / (D5s - d4s) < -3.0 and -59.6 mm -1 <f6 / d5s / CP5 < -43.5 mm -1 For the ranges, the maximum changes in the MTF peaks of the fifth and sixth lenses of imaging lens 2 are -15.25% and 14.00% respectively, and the maximum changes in the MTF peaks of the fifth and sixth lenses of imaging lens 3 are 15.55% and -21.01% respectively. From Figure 2B it can be directly seen that the MTF peak fluctuations of imaging lens 2 and imaging lens 3 are relatively large, especially within the field of view from 0.4 to 0.6. The sensitivity to tilting of the fifth and sixth lenses in the T direction is high, and the change in the MTF peak is more than ±10%.

[0071] Based on the above comparative analysis, for the fifth lens and the sixth lens tilted in the T direction, the change amount of the MTF peak value of the imaging lens 1 is relatively small, while the change amounts of the MTF peak values of the imaging lens 2 and the imaging lens 3 are relatively large. This shows that the imaging lens satisfies 51° < Semi-FOV < 54°, -6.1 < f5 / (D5s - d4s) < -3.0, and -59.6mm -1 <f6 / d5s / CP5 < -43.5mm -1 and has good MTF stability, and the peak sensitivity of the fifth lens and the sixth lens to tilting is low.

[0072] In an exemplary embodiment, the imaging lens according to the present application can satisfy: 38.9 < f1 / EP01 < 58.3, where f1 is the effective focal length of the first lens, and EP01 is the distance from the object-side end face of the lens barrel to the object-side surface of the first spacer element along the optical axis direction. By controlling the ratio of the effective focal length of the first lens to the distance from the object-side end face of the lens barrel to the object-side surface of the first spacer element along the optical axis direction, it is beneficial for the first lens to have an appropriate positive optical power and can effectively converge light to meet the requirement of wide-angleization. By restricting the distance between the object-side end face of the lens barrel and the object-side surface of the first spacer element, the thickness of the object-side end face of the lens barrel and the thickness of the non-effective diameter region of the first lens can be controlled, ensuring miniaturization of the head size of the imaging lens.

[0073] In an exemplary embodiment, the imaging lens according to the present application can satisfy: -2.90 < f5 / f < -2.60, 0.8 ≤ f4 / f < 0.9, and 1.20 < d5s / d4m < 1.34, where f5 is the effective focal length of the fifth lens, f is the effective focal length of the imaging lens, f4 is the effective focal length of the fourth lens, d5s is the inner diameter of the object-side surface of the fifth spacer element, and d4m is the inner diameter of the image-side surface of the fourth spacer element. By controlling the ratios of the effective focal lengths of the fifth lens and the fourth lens to the effective focal length of the lens, it is beneficial to reasonably set the positive and negative of the optical powers and the contribution amounts of the fourth lens and the fifth lens to meet the wide-angle technical characteristics. By controlling the ratio of the inner diameter of the object-side surface of the fifth spacer element to the inner diameter of the image-side surface of the fourth spacer element, the excess light rays passing through the edges of the fourth lens and the fifth lens can be effectively blocked, reducing the risk of stray light.

[0074] In an exemplary embodiment, the camera lens according to this application satisfies: 1.4 < (CT3 + CT4) / CP3b ≤ 3.1, where CT3 is the center thickness of the third lens on the optical axis, CT4 is the center thickness of the fourth lens on the optical axis, and CP3b is the maximum thickness of the third auxiliary spacer element along the optical axis. Satisfying 1.4 < (CT3 + CT4) / CP3b ≤ 3.1, by controlling the ratio of the sum of the center thicknesses of the third and fourth lenses to the maximum thickness of the third auxiliary spacer element, it is beneficial to constrain the edge thicknesses of the third and fourth lenses by reasonably setting the maximum thickness of the third auxiliary spacer element, so that the third and fourth lenses have a reasonable thickness ratio, improving the stability during assembly, and reserving sufficient space for the assembly of subsequent lenses.

[0075] In an exemplary embodiment, the camera lens according to this application satisfies: 0.90 ≤ D5m / D4s ≤ 1.30, where D5m is the outer diameter of the image-side surface of the fifth spacer element, and D4s is the outer diameter of the object-side surface of the fourth spacer element. By controlling the ratio of the outer diameters of the fourth and fifth spacer elements, it is beneficial to constrain the apertures of the fourth and fifth lenses, so that the overall optical size of the camera lens can be maintained while obtaining a smaller system aperture size.

[0076] In an exemplary embodiment, the camera lens according to this application satisfies the following condition: 0.7 < EPD / d0s < 0.9, where EPD is the entrance pupil diameter of the camera lens and d0s is the inner diameter of the object-side end face of the lens barrel. Satisfying 0.7 < EPD / d0s < 0.9 is beneficial for controlling the head size of the camera lens and achieving the characteristic of a small head.

[0077] In an exemplary embodiment, the object-side and image-side surfaces of the fifth lens of the camera lens according to this application both have inflection points. More specifically, the object-side surface of the fifth lens gradually changes from convex to concave from the paraxial region to the faraxial region, and the image-side surface gradually changes from concave to convex from the paraxial region to the faraxial region. Furthermore, it satisfies: 4.9 ≤ (R9 + R10) / (R11 + R12) ≤ 5.9, where R9 is the radius of curvature of the object-side surface of the fifth lens, R10 is the radius of curvature of the image-side surface of the fifth lens, R11 is the radius of curvature of the object-side surface of the sixth lens, and R12 is the radius of curvature of the image-side surface of the sixth lens. By controlling the radii of curvature of the object-side and image-side surfaces of the fifth and sixth lenses, and the bending direction on both sides of the fifth lens, the two lenses are prevented from interfering with each other, and the sensitivity of the air gap between the fifth and sixth lenses is reduced.

[0078] In an exemplary embodiment, the camera lens according to this application satisfies: 13.5 ≤ SA42 / CP4 ≤ 18.5, where SA42 is the distance along the optical axis from the intersection of the image-side surface of the fourth lens and the optical axis to the object-side surface of the fourth spacer element, and CP4 is the maximum thickness of the fourth spacer element along the optical axis. By satisfying 13.5 ≤ SA42 / CP4 ≤ 18.5, the shape of the fourth lens is controlled by adjusting the ratio of the sag of the non-effective diameter region on the image-side surface of the fourth lens to the thickness of the fourth spacer element. This avoids the problem of the fourth lens being too thin at the edges and too thick at the center due to an excessively small thickness ratio, thus improving the lens yield.

[0079] In an exemplary embodiment, the camera lens according to this application satisfies: 2.90≤EP45 / CT5×N5≤3.8, where EP45 is the distance along the optical axis from the image-side surface of the fourth spacer element to the object-side surface of the fifth spacer element, CT5 is the center thickness of the fifth lens along the optical axis, and N5 is the refractive index of the fifth lens. Satisfying 2.90≤EP45 / CT5×N5≤3.8, by controlling the spacing dimensions of the fourth and fifth spacers, facilitates control over the edge thickness of the fifth lens, thereby controlling the ratio of the edge thickness to the center thickness of the fifth lens. This makes the manufacturing process of the fifth lens easier to control, and also facilitates control over the mechanical connection structure between the fourth and fifth lenses, improving assembly stability.

[0080] In an exemplary embodiment, the camera lens according to this application satisfies the following requirement: 3.6mm. -1 ≤CT2 / CT1 / EP12≤4.9mm -1 Where CT2 is the center thickness of the second lens along the optical axis, CT1 is the center thickness of the first lens along the optical axis, and EP12 is the distance along the optical axis from the image side of the first spacer element to the object side of the second spacer element. It satisfies 3.6mm. -1 ≤CT2 / CT1 / EP12≤4.9mm -1 By controlling the center thickness of the second lens, the center thickness of the first lens, and the spacing between the first spacer element and the second spacer element, the stray light ghosting effect of the camera lens can be improved, and the ring ghosting generated when incident at a small angle can be reduced.

[0081] In an exemplary embodiment, the camera lens according to this application satisfies: 1.6 ≤ (EP45 + EP56) / (CT5 + CT6) < 2.4, where EP45 is the distance along the optical axis from the image-side surface of the fourth spacer element to the object-side surface of the fifth spacer element, EP56 is the distance along the optical axis from the image-side surface of the fifth spacer element to the object-side surface of the sixth spacer element, CT5 is the center thickness of the fifth lens on the optical axis, and CT6 is the center thickness of the sixth lens on the optical axis. Satisfying 1.6 ≤ (EP45 + EP56) / (CT5 + CT6) < 2.4 is beneficial for controlling the thickness ratio of the fifth and sixth lenses, improving the processing performance of the fifth and sixth lenses, ensuring that the lens is easy to form and easy to demold, and has relatively safe resistance to deformation.

[0082] In an exemplary embodiment, the fifth lens of the camera lens according to this application has at least one inflection point on its object-side surface and at least one inflection point on its image-side surface, and the sixth lens has at least one inflection point on its object-side surface and at least one image-side surface. The camera lens satisfies: 7.5 ≤ (OD6 - OD5) / CP5 ≤ 13, where OD5 is the maximum outer diameter of the fifth lens in the direction perpendicular to the optical axis, OD6 is the maximum outer diameter of the sixth lens in the direction perpendicular to the optical axis, and CP5 is the maximum thickness of the fifth spacer element along the optical axis. Satisfying 7.5 ≤ (OD6 - OD5) / CP5 ≤ 13 is beneficial for collecting edge field-of-view rays, further improving the lens's resolving power, controlling the CRA (chief ray angle) power, reducing aberrations, controlling the radial dimensions of the fifth and sixth lenses, and also beneficial for compressing the size of the lens barrel base (i.e., the outer diameter of the image-side end of the lens barrel).

[0083] The camera lens according to an exemplary embodiment of the present application includes: a lens barrel, and a lens group and a spacer element group disposed within the lens barrel. Among them, the lens group includes, in order from the object side to the image side along the optical axis: a first lens with a positive optical power, a second lens with a positive optical power, a third lens with a negative optical power, a fourth lens with a positive optical power, a fifth lens with a negative optical power, and a sixth lens with a negative optical power. Among them, the object side surface of the first lens is convex, and the image side surface is concave. The object side surface of the second lens is convex, and the image side surface is convex. The object side surface of the third lens is concave, and the image side surface is convex. The object side surface of the fourth lens is convex or concave, and the image side surface is convex. The object side surface of the fifth lens is convex, and the image side surface is concave. The object side surface of the sixth lens is convex, and the image side surface is concave. The spacer element group includes a fourth spacer element and a fifth spacer element. The fourth spacer element is disposed on the image side of the fourth lens and at least partially contacts the image side surface of the fourth lens. The fifth spacer element is disposed on the image side of the fifth lens and at least partially contacts the image side surface of the fifth lens. The camera lens satisfies: -2.90 < f5 / f < -2.60, 0.8 ≤ f4 / f < 0.9, and 1.20 < d5s / d4m < 1.34, where f5 is the effective focal length of the fifth lens, f is the effective focal length of the camera lens, f4 is the effective focal length of the fourth lens, d5s is the inner diameter of the object side surface of the fifth spacer element, and d4m is the inner diameter of the image side surface of the fourth spacer element. By controlling the ratios of the effective focal lengths of the fifth lens and the fourth lens to the effective focal length of the lens, it is beneficial to reasonably set the positive and negative of the optical powers and the contribution amounts of the fourth lens and the fifth lens to meet the wide-angle technical characteristics. By controlling the ratio of the inner diameter of the object side surface of the fifth spacer element to the inner diameter of the image side surface of the fourth spacer element, the excess light passing through the edges of the fourth lens and the fifth lens can be effectively blocked, reducing the risk of stray light.

[0084] The camera lens according to an exemplary embodiment of the present application includes: a lens barrel, and a lens group and a spacer element group disposed within the lens barrel. Among them, the lens group includes, in order from the object side to the image side along the optical axis: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The spacer element group includes a first spacer element and a second spacer element. The first spacer element is disposed on the image side of the first lens and at least partially contacts the image side surface of the first lens. The second spacer element is disposed on the image side of the second lens and at least partially contacts the image side surface of the second lens. The camera lens can satisfy: 38.9 < f1 / EP01 < 58.3 and 3.6mm -1 ≤ CT2 / CT1 / EP12 ≤ 4.9mm -1, where f1 is the effective focal length of the first lens, EP01 is the distance from the object-side end face of the lens barrel to the object-side surface of the first spacer element along the optical axis direction, CT2 is the central thickness of the second lens on the optical axis, CT1 is the central thickness of the first lens on the optical axis, and EP12 is the distance from the image-side surface of the first spacer element to the object-side surface of the second spacer element along the optical axis direction. It satisfies 38.9 < f1 / EP01 < 58.3 and 3.6 mm -1 ≤ CT2 / CT1 / EP12 ≤ 4.9 mm -1 , by controlling the ratio of the effective focal length of the first lens to the distance from the object-side end face of the lens barrel to the object-side surface of the first spacer element along the optical axis direction, it is beneficial for the first lens to have an appropriate positive optical power and can effectively converge light rays to meet the requirements of wide-angleization. By restricting the spacing distance from the object-side end face of the lens barrel to the object-side surface of the first spacer element, the thickness of the object-side end face of the lens barrel and the non-effective diameter region of the first lens can be controlled, ensuring the miniaturization of the head size of the camera lens. By controlling the central thickness of the second lens, the central thickness of the first lens, and the spacing distance from the first spacer element to the second spacer element, the stray light ghost image effect of the camera lens can be improved, and the annular ghost image generated when incident at a small angle can be reduced.

[0085] In an embodiment of the present application, at least one of the lens surfaces of each lens is an aspherical lens surface, that is, at least one of the object-side surface of the first lens to the image-side surface of the sixth lens is an aspherical lens surface. The characteristic of an aspherical lens is that the curvature continuously changes from the center of the lens to the periphery of the lens. Different from a spherical lens with a constant curvature from the center of the lens 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 the aberration that appears during imaging as much as possible, thereby improving the imaging quality. Optionally, the object-side surfaces and image-side surfaces of all the lenses from the first lens to the sixth lens are aspherical lens surfaces.

[0086] In an exemplary embodiment, the above camera lens may further include a filter for correcting color deviation and / or a protective glass for protecting the photosensitive element located on the imaging surface.

[0087] The camera lens according to the above embodiments of this application can employ multiple lenses, such as the six lenses mentioned above. By rationally allocating the optical power, surface shape, and arrangement of the spacers of each lens, the camera lens provided by this application achieves a balance between a small head size (i.e., a small outer diameter at the object-side end of the lens barrel) and a small bottom size (i.e., a small outer diameter at the image-side end of the lens barrel), and a field of view of 102° to 108°. It achieves a good balance among various constraints such as image quality, wide angle of view, large aperture, small size, lens manufacturing difficulty, and assembly performance. However, those skilled in the art should understand that the number of lenses constituting the camera lens can be changed without departing from the technical solution claimed in this application to obtain the various results and advantages described in this specification. For example, although six lenses are described as an example in the embodiments, the camera lens is not limited to including six lenses. If necessary, the camera lens may also include other numbers of lenses.

[0088] The following describes a specific embodiment of a camera lens applicable to the above-described embodiments with reference to the accompanying drawings. Specifically, referring to... Figures 3A to 4D Description of the camera lens according to Embodiments 1, 2 and 3 of this application; Refer to Figures 5A to 6D Description of the camera lens according to Embodiments 4, 5 and 6 of this application; see reference Figures 7A to 8D The camera lens is described according to Embodiments 7, 8 and 9 of this application.

[0089] Example 1

[0090] Figure 3A A schematic diagram of the structure of a camera lens 1001 according to Embodiment 1 of this application is shown. Figure 3A As shown, the camera lens 1001 includes a lens barrel P0, a lens group, and a spacer element group.

[0091] like Figure 3A As shown, the lens group of the camera lens 1001, from the object side to the image side, includes: a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6. The first lens E1 has an object-side surface S1 and an image-side surface S2. The second lens E2 has an object-side surface S3 and an image-side surface S4. The third lens E3 has an object-side surface S5 and an image-side surface S6. The fourth lens E4 has an object-side surface S7 and an image-side surface S8. The fifth lens E5 has an object-side surface S9 and an image-side surface S10. The sixth lens E6 has an object-side surface S11 and an image-side surface S12.

[0092] The camera lens 1001 also includes a filter (not shown) for correcting color deviation, the filter having an object-side surface S13 and an image-side surface S14. The camera lens 1001 also includes an aperture stop STO (not shown) disposed on the object side of the first lens. Light from the object passes sequentially through each surface S1 to S14 and is finally imaged on the imaging surface S15 (not shown).

[0093] Table 2 shows the basic parameters of the lens group of the camera lens 1001 in Embodiment 1, wherein the units of radius of curvature, thickness / distance and effective focal length are all millimeters (mm).

[0094]

[0095] Table 2

[0096] In Embodiment 1, the object-side surface and image-side surface of any one of the first lens E1 to the sixth lens E6 are aspherical surfaces, and the surface shape x of each aspherical lens can be defined using, but is not limited to, the following aspherical formula:

[0097]

[0098] Where x is the distance vector from the vertex of the aspherical surface at a height h along the optical axis; c is the paraxial curvature of the aspherical surface, c = 1 / R (i.e., the paraxial curvature c is the reciprocal of the radius of curvature R in Table 2 above); k is the conic coefficient; Ai is the i-th order correction coefficient of the aspherical surface. Table 3 gives the higher-order coefficients A4, A6, A8, A12 that can be used for each aspherical mirror S1-S12 in Example 1. 10 A 12 A 14 A 16 A 18 and A 20 .

[0099]

[0100]

[0101] Table 3

[0102] Table 4 shows other parameters of the camera lens 1001 in Embodiment 1, where Semi-FOV is the maximum half field of view of the camera lens 1001, Fno is the aperture number of the camera lens 1001, f is the effective focal length of the camera lens 1001, OD5 is the maximum outer diameter of the fifth lens in the direction perpendicular to the optical axis, and OD6 is the maximum outer diameter of the sixth lens in the direction perpendicular to the optical axis. In Table 4, the unit of Semi-FOV is degrees (°), and the units of f, OD5, and OD6 are millimeters (mm).

[0103] parameter Semi-FOV Fno f OD5 OD6 numerical values 53.000 2.200 3.191 5.31 5.47

[0104] Table 4

[0105] like Figure 3A As shown, the camera lens 1001 also includes seven spacer elements, namely a first spacer element P1, a second spacer element P2, a third spacer element P3, a third auxiliary spacer element P3b, a fourth spacer element P4, a fifth spacer element P5, and a sixth spacer element P6. The first spacer element P1 is located on the image side of the first lens and is at least partially in contact with the image side of the first lens; the second spacer element P2 is located on the image side of the second lens and is at least partially in contact with the image side of the second lens; the third spacer element P3 is located on the image side of the third lens and is at least partially in contact with the image side of the third lens; the third auxiliary spacer element P3b is located on the image side of the third spacer element P3 and is at least partially in contact with the image side of the third spacer element P3; the fourth spacer element P4 is located on the image side of the fourth lens and is at least partially in contact with the image side of the fourth lens; the fifth spacer element P5 is located on the image side of the fifth lens and is at least partially in contact with the image side of the fifth lens; and the sixth spacer element P6 is located on the image side of the sixth lens and is at least partially in contact with the image side of the sixth lens. Table 5 shows the basic parameters of the spacing element of the camera lens 1001. The unit of each parameter in Table 5 is millimeters (mm).

[0106] parameter d4s d4m D4s d5s D5s D5m d0s EP01 numerical values 3.36 3.31 5.31 4.26 5.47 5.47 1.93 0.54 parameter EP12 CP4 EP45 CP5 CP3b EP56 SA42 / numerical values 0.39 0.02 0.51 0.02 0.33 0.37 0.34 /

[0107] Table 5

[0108] Example 2

[0109] Figure 3B A schematic diagram of the camera lens 1002 according to Embodiment 2 of this application is shown. In this embodiment and the following embodiments, for the sake of brevity, descriptions similar to those in Embodiment 1 will be omitted.

[0110] like Figure 3B As shown, the camera lens 1002 includes a lens barrel P0, a lens group, and a spacer element group. The camera lens 1002 also includes a filter (not shown) for correcting color deviation, the filter having an object-side surface S13 and an image-side surface S14. The camera lens 1002 also includes an aperture stop STO (not shown) disposed on the object side of the first lens. Light from the object passes sequentially through each surface S1 to S14 and is finally imaged onto the imaging surface S15 (not shown). The lens group of the camera lens 1002 has the same basic parameters as the lens group of the camera lens 1001 in Embodiment 1, as detailed in Tables 2 and 3, and will not be repeated here.

[0111] Table 6 shows other parameters of the camera lens 1002 in Embodiment 2. The values ​​of Semi-FOV, Fno, f, and OD5 are the same as those of the camera lens 1001 in Embodiment 1. The difference between camera lens 1002 and camera lens 1001 lies in the maximum outer diameter OD6 of the sixth lens in the direction perpendicular to the optical axis. In Table 6, the unit of Semi-FOV is degrees (°), and the units of f, OD5, and OD6 are millimeters (mm).

[0112] parameter Semi-FOV Fno f OD5 OD6 numerical values 53.000 2.200 3.191 5.31 5.57

[0113] Table 6

[0114] like Figure 3B As shown, the camera lens 1002 also includes seven spacer elements, namely a first spacer element P1, a second spacer element P2, a third spacer element P3, a third auxiliary spacer element P3b, a fourth spacer element P4, a fifth spacer element P5, and a sixth spacer element P6. The first spacer element P1 is located on the image side of the first lens and is at least partially in contact with the image side of the first lens; the second spacer element P2 is located on the image side of the second lens and is at least partially in contact with the image side of the second lens; the third spacer element P3 is located on the image side of the third lens and is at least partially in contact with the image side of the third lens; the third auxiliary spacer element P3b is located on the image side of the third spacer element P3 and is at least partially in contact with the image side of the third spacer element P3; the fourth spacer element P4 is located on the image side of the fourth lens and is at least partially in contact with the image side of the fourth lens; the fifth spacer element P5 is located on the image side of the fifth lens and is at least partially in contact with the image side of the fifth lens; and the sixth spacer element P6 is located on the image side of the sixth lens and is at least partially in contact with the image side of the sixth lens. Table 7 shows the basic parameters of the spacing element of the camera lens 1002. The unit of each parameter in Table 7 is millimeters (mm).

[0115] parameter d4s d4m D4s d5s D5s D5m d0s EP01 numerical values 3.32 3.28 5.31 4.32 5.57 5.57 1.93 0.54 parameter EP12 CP4 EP45 CP5 CP3b EP56 SA42 / numerical values 0.45 0.02 0.56 0.02 0.39 0.35 0.36 /

[0116] Table 7

[0117] Example 3

[0118] Figure 3C A schematic diagram of the structure of the camera lens 1003 according to Embodiment 3 of this application is shown.

[0119] like Figure 3CAs shown, the camera lens 1003 includes a lens barrel P0, a lens group, and a spacer element group. The camera lens 1003 also includes a filter (not shown) for correcting color deviation, the filter having an object-side surface S13 and an image-side surface S14. The camera lens 1003 also includes an aperture stop STO (not shown) disposed on the object side of the first lens. Light from the object passes sequentially through each surface S1 to S14 and is finally imaged onto the imaging surface S15 (not shown). The lens group of the camera lens 1003 has the same basic parameters as the lens group of the camera lens 1001 in Embodiment 1, as detailed in Tables 2 and 3, and will not be repeated here.

[0120] Table 8 shows other parameters of the camera lens 1003 of Embodiment 3, wherein the values ​​of Semi-FOV, Fno, f, OD5, and OD6 are the same as those of the camera lens 1001 of Embodiment 1. In Table 8, the unit of Semi-FOV is degrees (°), and the units of f, OD5, and OD6 are millimeters (mm).

[0121] parameter Semi-FOV Fno f OD5 OD6 numerical values 53.000 2.200 3.191 5.31 5.47

[0122] Table 8

[0123] like Figure 3C As shown, the camera lens 1003 also includes seven spacer elements, namely a first spacer element P1, a second spacer element P2, a third spacer element P3, a third auxiliary spacer element P3b, a fourth spacer element P4, a fifth spacer element P5, and a sixth spacer element P6. The first spacer element P1 is located on the image side of the first lens and is at least partially in contact with the image side of the first lens; the second spacer element P2 is located on the image side of the second lens and is at least partially in contact with the image side of the second lens; the third spacer element P3 is located on the image side of the third lens and is at least partially in contact with the image side of the third lens; the third auxiliary spacer element P3b is located on the image side of the third spacer element P3 and is at least partially in contact with the image side of the third spacer element P3; the fourth spacer element P4 is located on the image side of the fourth lens and is at least partially in contact with the image side of the fourth lens; the fifth spacer element P5 is located on the image side of the fifth lens and is at least partially in contact with the image side of the fifth lens; and the sixth spacer element P6 is located on the image side of the sixth lens and is at least partially in contact with the image side of the sixth lens. Table 9 shows the basic parameters of the spacing element of the camera lens 1003. The unit of each parameter in Table 9 is millimeters (mm).

[0124]

[0125]

[0126] Table 9

[0127] Figure 4AThe on-axis chromatic aberration curves of camera lens 1001 of Embodiment 1, camera lens 1002 of Embodiment 2, and camera lens 1003 of Embodiment 3 are shown, which indicate the deviation of the focal point of light of different wavelengths after passing through the lens. Figure 4B The astigmatic curves of camera lens 1001 of Embodiment 1, camera lens 1002 of Embodiment 2, and camera lens 1003 of Embodiment 3 are shown, which represent the curvature of the meridional image plane and the curvature of the sagittal image plane. Figure 4C The distortion curves of camera lens 1001 of Embodiment 1, camera lens 1002 of Embodiment 2, and camera lens 1003 of Embodiment 3 are shown, representing the distortion magnitude values ​​corresponding to different image heights. Figure 4D The magnification chromatic aberration curves of camera lens 1001 of Embodiment 1, camera lens 1002 of Embodiment 2, and camera lens 1003 of Embodiment 3 are shown, representing the deviations in image height at different points on the imaging plane after light passes through the lens. According to... Figures 4A to 4D It can be seen that the camera lens 1001 of Embodiment 1, the camera lens 1002 of Embodiment 2, and the camera lens 1003 of Embodiment 3 can achieve good imaging quality.

[0128] Example 4

[0129] Figure 5A A schematic diagram of the structure of a camera lens 2001 according to Embodiment 4 of this application is shown. Figure 5A As shown, the camera lens 2001 includes a lens barrel P0, a lens group, and a spacer element group.

[0130] like Figure 5A As shown, the lens group of the camera lens 2001, from the object side to the image side, includes: a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6. The first lens E1 has an object-side surface S1 and an image-side surface S2. The second lens E2 has an object-side surface S3 and an image-side surface S4. The third lens E3 has an object-side surface S5 and an image-side surface S6. The fourth lens E4 has an object-side surface S7 and an image-side surface S8. The fifth lens E5 has an object-side surface S9 and an image-side surface S10. The sixth lens E6 has an object-side surface S11 and an image-side surface S12.

[0131] The camera lens 2001 also includes a filter (not shown) for correcting color deviation, the filter having an object-side surface S13 and an image-side surface S14. The camera lens 2001 also includes an aperture stop STO (not shown) disposed on the object side of the first lens. Light from the object passes sequentially through each surface S1 to S14 and is finally imaged on the imaging surface S15 (not shown).

[0132] Table 10 shows the basic parameters of the lens group of the camera lens 2001 in Embodiment 4, wherein the units of radius of curvature, thickness / distance and effective focal length are millimeters (mm). Table 11 shows the higher-order coefficients that can be used for each aspherical mirror in Embodiment 4, wherein each aspherical surface shape can be defined by formula (1) given in Embodiment 1 above.

[0133]

[0134]

[0135] Table 10

[0136] Face number A4 A6 A8 A10 A12 A14 A16 A18 A20 S1 -5.63E-02 -1.31E-03 -1.42E-04 -1.23E-05 -1.04E-05 -1.68E-06 -2.60E-06 2.16E-06 -2.03E-06 S2 -1.09E-01 -2.24E-03 -1.56E-04 -1.14E-04 -1.48E-05 -1.08E-05 2.04E-06 -3.56E-06 4.03E-06 S3 -1.18E-01 -1.32E-02 -2.56E-03 -7.58E-04 -2.64E-04 -7.77E-05 -2.86E-05 -6.48E-06 -4.47E-06 S4 -1.76E-01 -6.85E-03 1.91E-03 -8.19E-04 -2.12E-04 6.30E-05 1.23E-05 -9.84E-07 -1.24E-06 S5 -1.48E-01 2.82E-02 5.71E-03 -3.46E-03 5.15E-04 6.70E-04 -1.58E-04 -6.90E-05 2.24E-05 S6 -1.38E-01 1.61E-02 3.48E-03 -3.69E-03 1.52E-03 8.56E-04 -5.42E-04 7.35E-05 7.44E-06 S7 9.40E-02 -7.09E-02 9.31E-03 -4.09E-03 -1.50E-03 4.67E-04 -1.56E-03 1.14E-04 -2.97E-04 S8 1.00E-01 -2.98E-02 9.72E-03 -4.20E-03 -7.88E-03 2.48E-03 -1.42E-03 8.02E-04 2.22E-04 S9 -3.80E-01 -1.52E-01 9.65E-02 -2.27E-02 -1.19E-03 -4.65E-04 1.87E-03 4.69E-04 -1.15E-05 S10 -8.85E-01 -3.50E-02 8.83E-02 -4.19E-02 9.68E-03 -1.57E-03 1.38E-03 -3.25E-04 -7.99E-06 S11 -1.58E+00 4.69E-01 -1.07E-01 1.60E-02 2.51E-03 -4.38E-03 -1.75E-05 1.35E-03 -3.56E-04 S12 -1.73E+00 3.87E-01 -1.59E-01 5.53E-02 -1.07E-02 3.71E-03 -1.43E-03 1.16E-03 -4.18E-04

[0137] Table 11

[0138] Table 12 shows other parameters of the camera lens 2001 in Embodiment 4, where Semi-FOV is the maximum half field of view of the camera lens 2001, Fno is the aperture number of the camera lens 2001, f is the effective focal length of the camera lens 2001, OD5 is the maximum outer diameter of the fifth lens in the direction perpendicular to the optical axis, and OD6 is the maximum outer diameter of the sixth lens in the direction perpendicular to the optical axis. In Table 12, the unit of Semi-FOV is degrees (°), and the units of f, OD5, and OD6 are millimeters (mm).

[0139] parameter Semi-FOV Fno f OD5 OD6 numerical values 51.997 1.900 2.977 5.31 5.47

[0140] Table 12

[0141] like Figure 5A As shown, the camera lens 2001 also includes seven spacer elements: a first spacer element P1, a second spacer element P2, a third spacer element P3, a third auxiliary spacer element P3b, a fourth spacer element P4, a fifth spacer element P5, and a sixth spacer element P6. The first spacer element P1 is positioned on the image side of the first lens and at least partially contacts the image side of the first lens; the second spacer element P2 is positioned on the image side of the second lens and at least partially contacts the image side of the second lens; the third spacer element P3 is positioned on the image side of the third lens and at least partially contacts the image side of the third lens; the third auxiliary spacer element P3b is positioned on the image side of the third spacer element P3 and at least partially contacts the image side of the third spacer element P3; the fourth spacer element P4 is positioned on the image side of the fourth lens and at least partially contacts the image side of the fourth lens; the fifth spacer element P5 is positioned on the image side of the fifth lens and at least partially contacts the image side of the fifth lens; and the sixth spacer element P6 is positioned on the image side of the sixth lens and at least partially contacts the image side of the sixth lens. Table 13 shows the basic parameters of the spacing element of the camera lens 2001. The unit of each parameter in Table 13 is millimeters (mm).

[0142] parameter d4s d4m D4s d5s D5s D5m d0s EP01 numerical values 3.11 3.06 5.31 3.80 5.47 5.47 1.93 0.56 parameter EP12 CP4 EP45 CP5 CP3b EP56 SA42 / numerical values 0.52 0.02 0.46 0.02 0.37 0.61 0.27 /

[0143] Table 13

[0144] Example 5

[0145] Figure 5B A schematic diagram of the structure of a camera lens 2002 according to Embodiment 5 of this application is shown.

[0146] like Figure 5B As shown, the camera lens 2002 includes a lens barrel P0, a lens group, and a spacer element group. The camera lens 2002 also includes a filter (not shown) for correcting color deviation, the filter having an object-side surface S13 and an image-side surface S14. The camera lens 2002 also includes an aperture stop STO (not shown) disposed on the object side of the first lens. Light from the object passes sequentially through each surface S1 to S14 and is finally imaged onto the imaging surface S15 (not shown). The lens group of the camera lens 2002 has the same basic parameters as the lens group of the camera lens 2001 in Embodiment 4, as detailed in Tables 10 and 11, and will not be repeated here.

[0147] Table 14 shows other parameters of the camera lens 2002 of Embodiment 5, wherein the values ​​of Semi-FOV, Fno, f, OD5, and OD6 are the same as those of the camera lens 2001 of Embodiment 4. In Table 14, the unit of Semi-FOV is degrees (°), and the units of f, OD5, and OD6 are millimeters (mm).

[0148] parameter Semi-FOV Fno f OD5 OD6 numerical values 51.997 1.900 2.977 5.31 5.47

[0149] Table 14

[0150] like Figure 5BAs shown, the camera lens 2002 also includes seven spacer elements: a first spacer element P1, a second spacer element P2, a third spacer element P3, a third auxiliary spacer element P3b, a fourth spacer element P4, a fifth spacer element P5, and a sixth spacer element P6. The first spacer element P1 is positioned on the image side of the first lens and at least partially contacts the image side of the first lens; the second spacer element P2 is positioned on the image side of the second lens and at least partially contacts the image side of the second lens; the third spacer element P3 is positioned on the image side of the third lens and at least partially contacts the image side of the third lens; the third auxiliary spacer element P3b is positioned on the image side of the third spacer element P3 and at least partially contacts the image side of the third spacer element P3; the fourth spacer element P4 is positioned on the image side of the fourth lens and at least partially contacts the image side of the fourth lens; the fifth spacer element P5 is positioned on the image side of the fifth lens and at least partially contacts the image side of the fifth lens; and the sixth spacer element P6 is positioned on the image side of the sixth lens and at least partially contacts the image side of the sixth lens. Table 15 shows the basic parameters of the spacing element of the camera lens 2002. The unit of each parameter in Table 15 is millimeters (mm).

[0151] parameter d4s d4m D4s d5s D5s D5m d0s EP01 numerical values 3.11 3.06 5.32 3.80 5.47 5.47 1.93 0.52 parameter EP12 CP4 EP45 CP5 CP3b EP56 SA42 / numerical values 0.48 0.02 0.46 0.02 0.32 0.61 0.27 /

[0152] Table 15

[0153] Example 6

[0154] Figure 5C A schematic diagram of the structure of a camera lens 2003 according to Embodiment 6 of this application is shown.

[0155] like Figure 5C As shown, the camera lens 2003 includes a lens barrel P0, a lens group, and a spacer element group. The camera lens 2003 also includes a filter (not shown) for correcting color deviation, the filter having an object-side surface S13 and an image-side surface S14. The camera lens 2003 also includes an aperture stop STO (not shown) disposed on the object side of the first lens. Light from the object passes sequentially through each surface S1 to S14 and is finally imaged onto the imaging surface S15 (not shown). The lens group of the camera lens 2003 has the same basic parameters as the lens group of the camera lens 2001 in Embodiment 4, as detailed in Tables 10 and 11, and will not be repeated here.

[0156] Table 16 shows other parameters of the camera lens 2003 of Embodiment 6. The values ​​of Semi-FOV, Fno, f, and OD5 are the same as those of the camera lens 2001 of Embodiment 4. The difference between camera lens 2003 and camera lens 2001 lies in the maximum outer diameter OD6 of the sixth lens in the direction perpendicular to the optical axis. In Table 16, the unit of Semi-FOV is degrees (°), and the units of f, OD5, and OD6 are millimeters (mm).

[0157] parameter Semi-FOV Fno f OD5 OD6 numerical values 51.997 1.900 2.977 5.31 5.49

[0158] Table 16

[0159] like Figure 5C As shown, the camera lens 2003 also includes seven spacer elements: a first spacer element P1, a second spacer element P2, a third spacer element P3, a third auxiliary spacer element P3b, a fourth spacer element P4, a fifth spacer element P5, and a sixth spacer element P6. The first spacer element P1 is positioned on the image side of the first lens and at least partially contacts the image side of the first lens; the second spacer element P2 is positioned on the image side of the second lens and at least partially contacts the image side of the second lens; the third spacer element P3 is positioned on the image side of the third lens and at least partially contacts the image side of the third lens; the third auxiliary spacer element P3b is positioned on the image side of the third spacer element P3 and at least partially contacts the image side of the third spacer element P3; the fourth spacer element P4 is positioned on the image side of the fourth lens and at least partially contacts the image side of the fourth lens; the fifth spacer element P5 is positioned on the image side of the fifth lens and at least partially contacts the image side of the fifth lens; and the sixth spacer element P6 is positioned on the image side of the sixth lens and at least partially contacts the image side of the sixth lens. Table 17 shows the basic parameters of the spacing element of the camera lens 2003. The unit of each parameter in Table 17 is millimeters (mm).

[0160] parameter d4s d4m D4s d5s D5s D5m d0s EP01 numerical values 3.18 3.14 4.27 3.84 4.51 4.51 1.93 0.56 parameter EP12 CP4 EP45 CP5 CP3b EP56 SA42 / numerical values 0.48 0.02 0.49 0.02 0.47 0.58 0.28 /

[0161] Table 17

[0162] Figure 6A The on-axis chromatic aberration curves of camera lens 2001 of Embodiment 4, camera lens 2002 of Embodiment 5, and camera lens 2003 of Embodiment 6 are shown, which indicate the deviation of the focal point of light of different wavelengths after passing through the lens. Figure 6B The astigmatism curves of camera lens 2001 of Embodiment 4, camera lens 2002 of Embodiment 5, and camera lens 2003 of Embodiment 6 are shown, which represent the curvature of the meridional image plane and the curvature of the sagittal image plane. Figure 6C The distortion curves of camera lens 2001 of Embodiment 4, camera lens 2002 of Embodiment 5, and camera lens 2003 of Embodiment 6 are shown, which represent the distortion magnitude values ​​corresponding to different image heights. Figure 6D The magnification chromatic aberration curves of camera lens 2001 of Embodiment 4, camera lens 2002 of Embodiment 5, and camera lens 2003 of Embodiment 6 are shown, representing the deviations in image height at different points on the imaging plane after light passes through the lens. According to... Figures 6A to 6D It can be seen that the camera lens 2001 of Embodiment 4, the camera lens 2002 of Embodiment 5, and the camera lens 2003 of Embodiment 6 can achieve good imaging quality.

[0163] Example 7

[0164] Figure 7A A schematic diagram of the structure of a camera lens 3001 according to Embodiment 7 of this application is shown. Figure 7A As shown, the camera lens 3001 includes a lens barrel P0, a lens group, and a spacer element group.

[0165] like Figure 7A As shown, the lens group of the camera lens 3001, from the object side to the image side, includes: a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6. The first lens E1 has an object-side surface S1 and an image-side surface S2. The second lens E2 has an object-side surface S3 and an image-side surface S4. The third lens E3 has an object-side surface S5 and an image-side surface S6. The fourth lens E4 has an object-side surface S7 and an image-side surface S8. The fifth lens E5 has an object-side surface S9 and an image-side surface S10. The sixth lens E6 has an object-side surface S11 and an image-side surface S12.

[0166] The camera lens 3001 also includes a filter (not shown) for correcting color deviation, the filter having an object-side surface S13 and an image-side surface S14. The camera lens 3001 also includes an aperture stop STO (not shown) disposed on the object side of the first lens. Light from the object passes sequentially through each surface S1 to S14 and is finally imaged on the imaging surface S15 (not shown).

[0167] Table 18 shows the basic parameters of the lens group of the camera lens 3001 in Embodiment 7, wherein the units of radius of curvature, thickness / distance and effective focal length are millimeters (mm). Table 19 shows the higher-order coefficients that can be used for each aspherical mirror in Embodiment 7, wherein each aspherical surface shape can be defined by formula (1) given in Embodiment 1 above.

[0168]

[0169]

[0170] Table 18

[0171] Face number A4 A6 A8 A10 A12 A14 A16 A18 A20 S1 -5.78E-02 -1.06E-03 -1.16E-04 -2.48E-05 -7.66E-06 -7.98E-06 2.74E-07 -1.59E-06 -8.60E-07 S2 -1.14E-01 -6.10E-04 -9.86E-05 -1.34E-04 -2.30E-05 -3.69E-06 1.03E-05 5.63E-06 9.05E-06 S3 -1.32E-01 -1.36E-02 -2.71E-03 -9.04E-04 -2.91E-04 -7.36E-05 -1.51E-05 -9.92E-07 -4.66E-07 S4 -1.76E-01 -5.60E-03 7.48E-04 -9.54E-04 -1.24E-04 2.86E-05 2.01E-05 -7.00E-06 1.96E-06 S5 -1.52E-01 3.58E-02 3.13E-03 -3.56E-03 1.29E-03 4.84E-04 -1.36E-04 -7.27E-05 2.71E-05 S6 -1.62E-01 1.34E-02 6.00E-03 -5.67E-03 2.95E-03 4.92E-04 -3.42E-04 4.23E-05 2.99E-05 S7 8.37E-02 -8.08E-02 1.22E-02 -8.25E-03 -2.68E-06 -9.12E-04 -1.06E-03 -7.60E-05 -2.29E-04 S8 2.48E-02 -4.65E-02 6.11E-03 -2.26E-03 -8.92E-03 2.15E-03 -1.10E-03 7.45E-04 2.62E-04 S9 -4.58E-01 -1.65E-01 7.63E-02 -2.92E-03 3.20E-03 -9.51E-04 -5.17E-05 1.13E-04 1.25E-05 S10 -9.99E-01 -3.63E-02 7.85E-02 -3.19E-02 7.75E-03 -2.23E-03 1.27E-03 -2.50E-04 -1.21E-04 S11 -1.54E+00 5.35E-01 -1.46E-01 1.07E-02 5.23E-03 -2.16E-03 3.79E-04 -1.38E-05 1.17E-04 S12 -1.69E+00 4.79E-01 -1.69E-01 5.32E-02 -1.92E-02 5.18E-03 -2.05E-03 1.54E-03 -9.86E-05

[0172] Table 19

[0173] Table 20 shows other parameters of the camera lens 3001 in Embodiment 7, where Semi-FOV is the maximum half field of view of the camera lens 3001, Fno is the aperture number of the camera lens 3001, f is the effective focal length of the camera lens 3001, OD5 is the maximum outer diameter of the fifth lens in the direction perpendicular to the optical axis, and OD6 is the maximum outer diameter of the sixth lens in the direction perpendicular to the optical axis. In Table 20, the unit of Semi-FOV is degrees (°), and the units of f, OD5, and OD6 are millimeters (mm).

[0174] parameter Semi-FOV Fno f OD5 OD6 numerical values 52.000 1.900 2.843 5.61 5.76

[0175] Table 20

[0176] like Figure 7A As shown, the camera lens 3001 also includes seven spacer elements: a first spacer element P1, a second spacer element P2, a third spacer element P3, a third auxiliary spacer element P3b, a fourth spacer element P4, a fifth spacer element P5, and a sixth spacer element P6. The first spacer element P1 is positioned on the image side of the first lens and at least partially contacts the image side of the first lens; the second spacer element P2 is positioned on the image side of the second lens and at least partially contacts the image side of the second lens; the third spacer element P3 is positioned on the image side of the third lens and at least partially contacts the image side of the third lens; the third auxiliary spacer element P3b is positioned on the image side of the third spacer element P3 and at least partially contacts the image side of the third spacer element P3; the fourth spacer element P4 is positioned on the image side of the fourth lens and at least partially contacts the image side of the fourth lens; the fifth spacer element P5 is positioned on the image side of the fifth lens and at least partially contacts the image side of the fifth lens; and the sixth spacer element P6 is positioned on the image side of the sixth lens and at least partially contacts the image side of the sixth lens. Table 21 shows the basic parameters of the spacer element of the camera lens 3001. The unit of each parameter in Table 21 is millimeters (mm).

[0177] parameter d4s d4m D4s d5s D5s D5m d0s EP01 numerical values 3.08 3.04 5.31 3.94 4.80 4.80 1.93 0.51 parameter EP12 CP4 EP45 CP5 CP3b EP56 SA42 / numerical values 0.57 0.02 0.67 0.02 0.34 0.63 0.35 /

[0178] Table 21

[0179] Example 8

[0180] Figure 7B A schematic diagram of the camera lens 3002 according to Embodiment 8 of this application is shown. For the sake of brevity, descriptions similar to those in Embodiment 7 will be omitted in this and the following embodiments.

[0181] like Figure 7BAs shown, the camera lens 3002 includes a lens barrel P0, a lens group, and a spacer element group. The camera lens 3002 also includes a filter (not shown) for correcting color deviation, the filter having an object-side surface S13 and an image-side surface S14. The camera lens 3002 also includes an aperture stop STO (not shown) disposed on the object side of the first lens. Light from the object passes sequentially through each surface S1 to S14 and is finally imaged onto the imaging surface S15 (not shown). The lens group of the camera lens 3002 has the same basic parameters as the lens group of the camera lens 3001 in Embodiment 7, as detailed in Tables 18 and 19, and will not be repeated here.

[0182] Table 22 shows other parameters of the camera lens 3002 in Embodiment 8. The values ​​of Semi-FOV, Fno, and f are the same as those of the camera lens 3001 in Embodiment 7. The difference between camera lens 3003 and camera lens 3001 in Embodiment 7 lies in the values ​​of OD5 and OD6. In Table 22, the unit of Semi-FOV is degrees (°), and the units of f, OD5, and OD6 are millimeters (mm).

[0183] parameter Semi-FOV Fno f OD5 OD6 numerical values 52.000 1.900 2.843 5.31 5.47

[0184] Table 22

[0185] like Figure 7B As shown, the camera lens 3002 also includes seven spacer elements: a first spacer element P1, a second spacer element P2, a third spacer element P3, a third auxiliary spacer element P3b, a fourth spacer element P4, a fifth spacer element P5, and a sixth spacer element P6. The first spacer element P1 is positioned on the image side of the first lens and at least partially contacts the image side of the first lens; the second spacer element P2 is positioned on the image side of the second lens and at least partially contacts the image side of the second lens; the third spacer element P3 is positioned on the image side of the third lens and at least partially contacts the image side of the third lens; the third auxiliary spacer element P3b is positioned on the image side of the third spacer element P3 and at least partially contacts the image side of the third spacer element P3; the fourth spacer element P4 is positioned on the image side of the fourth lens and at least partially contacts the image side of the fourth lens; the fifth spacer element P5 is positioned on the image side of the fifth lens and at least partially contacts the image side of the fifth lens; and the sixth spacer element P6 is positioned on the image side of the sixth lens and at least partially contacts the image side of the sixth lens. Table 23 shows the basic parameters of the spacing element of the camera lens 3002. The unit of each parameter in Table 23 is millimeters (mm).

[0186] parameter d4s d4m D4s d5s D5s D5m d0s EP01 numerical values 3.08 3.04 5.31 3.94 5.47 5.47 1.93 0.51 parameter EP12 CP4 EP45 CP5 CP3b EP56 SA42 / numerical values 0.57 0.02 0.67 0.02 0.29 0.64 0.35 /

[0187] Table 23

[0188] Example 9

[0189] Figure 7C A schematic diagram of the structure of a camera lens 3003 according to Embodiment 9 of this application is shown.

[0190] like Figure 7C As shown, the camera lens 3003 includes a lens barrel P0, a lens group, and a spacer element group. The camera lens 3003 also includes a filter (not shown) for correcting color deviation, the filter having an object-side surface S13 and an image-side surface S14. The camera lens 3003 also includes an aperture stop STO (not shown) disposed on the object side of the first lens. Light from the object passes sequentially through each surface S1 to S14 and is finally imaged onto the imaging surface S15 (not shown). The lens group of the camera lens 3003 has the same basic parameters as the lens group of the camera lens 3001 in Embodiment 7, as detailed in Tables 18 and 19, and will not be repeated here.

[0191] Table 24 shows other parameters of the camera lens 3003 of Embodiment 9. The values ​​of Semi-FOV, Fno, and f are the same as those of the camera lens 3001 of Embodiment 7. The difference between camera lens 3003 and camera lens 3001 of Embodiment 7 lies in the values ​​of OD5 and OD6. In Table 24, the unit of Semi-FOV is degrees (°), and the units of f, OD5, and OD6 are millimeters (mm).

[0192] parameter Semi-FOV Fno f OD5 OD6 numerical values 52.000 1.900 2.843 5.41 5.57

[0193] Table 24

[0194] like Figure 7C As shown, the camera lens 3003 also includes six spacer elements, namely a first spacer element P1, a second spacer element P2, a third spacer element P3, a fourth spacer element P4, a fifth spacer element P5, and a sixth spacer element P6. The first spacer element P1 is located on the image side of the first lens and is at least partially in contact with the image side of the first lens; the second spacer element P2 is located on the image side of the second lens and is at least partially in contact with the image side of the second lens; the third spacer element P3 is located on the image side of the third lens and is at least partially in contact with the image side of the third lens; the fourth spacer element P4 is located on the image side of the fourth lens and is at least partially in contact with the image side of the fourth lens; the fifth spacer element P5 is located on the image side of the fifth lens and is at least partially in contact with the image side of the fifth lens; and the sixth spacer element P6 is located on the image side of the sixth lens and is at least partially in contact with the image side of the sixth lens.

[0195] Table 25 shows the basic parameters of the spacing element of the camera lens 3003. The unit of each parameter in Table 25 is millimeters (mm).

[0196] parameter d4s d4m D4s d5s D5s D5m d0s EP01 numerical values 3.05 3.01 4.27 3.88 5.57 5.57 1.93 0.51 parameter EP12 CP4 EP45 CP5 CP3b EP56 SA42 / numerical values 0.57 0.02 0.64 0.02 / 0.69 0.37 /

[0197] Table 25

[0198] Figure 8A The on-axis chromatic aberration curves of camera lens 3001 of Embodiment 7, camera lens 3002 of Embodiment 8, and camera lens 3003 of Embodiment 9 are shown, which indicate the deviation of the focal point of light of different wavelengths after passing through the lens. Figure 8B The astigmatic curves of camera lens 3001 of Embodiment 7, camera lens 3002 of Embodiment 8, and camera lens 3003 of Embodiment 9 are shown, which represent the curvature of the meridional image plane and the curvature of the sagittal image plane. Figure 8C The distortion curves of camera lens 3001 of Embodiment 7, camera lens 3002 of Embodiment 8, and camera lens 3003 of Embodiment 9 are shown, which represent the distortion magnitude values ​​corresponding to different image heights. Figure 8D The magnification chromatic aberration curves of camera lens 3001 of Embodiment 7, camera lens 3002 of Embodiment 8, and camera lens 3003 of Embodiment 9 are shown, representing the deviations in image height at different points on the imaging plane after light passes through the lens. According to Figures 8A to 8D It can be seen that the camera lens 3001 of Embodiment 7, the camera lens 3002 of Embodiment 8, and the camera lens 3003 of Embodiment 9 can achieve good imaging quality.

[0199] In summary, the camera lenses of Examples 1 to 9 satisfy the relationships shown in Table 26.

[0200]

[0201]

[0202] Table 26

[0203] This application also provides an imaging device, whose electronic photosensitive element can be a photocoupled device (CCD) or a complementary metal oxide semiconductor device (CMOS). The imaging device can be a stand-alone imaging device such as a digital camera, or an imaging module integrated into a mobile electronic device such as a mobile phone. The imaging device is equipped with the camera lens described above.

[0204] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in this application is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A camera lens, characterized in that, Comprising: A lens barrel and a lens group and a spacer element group disposed within the lens barrel, wherein, The lens group sequentially includes, from the object side to the image side along the optical axis: A first lens with a positive optical power, having a convex object side and a concave image side; A second lens with a positive optical power, having a convex object side and a convex image side; A third lens with a negative optical power, having a concave object side and a convex image side; A fourth lens with a positive optical power, having a convex image side; A fifth lens with a negative optical power, having a convex object side and a concave image side; and A sixth lens with a negative optical power, having a convex object side and a concave image side; The spacer element group includes: A fourth spacer element disposed on the image side of the fourth lens and at least partially contacting the image side of the fourth lens; and A fifth spacer element disposed on the image side of the fifth lens and at least partially contacting the image side of the fifth lens; Wherein, The number of lenses with optical power in the camera lens is six; The maximum semi-field angle Semi-FOV of the camera lens satisfies: 51° < Semi-FOV < 54°; The effective focal length f5 of the fifth lens, the outer diameter D5s of the object side surface of the fifth spacer element and the inner diameter d4s of the object side surface of the fourth spacer element satisfy: -6.1 < f5 / (D5s - d4s) < -3.1; and The effective focal length f6 of the sixth lens, the inner diameter d5s of the object-side surface of the fifth spacer element, and the thickness CP5 of the fifth spacer element along the optical axis satisfy: -59.4mm. -1 ≤f6 / d5s / CP5≤-43.8mm -1 .

2. The camera lens according to claim 1, wherein, The spacer element group further includes: a first spacer element disposed on the image side of the first lens and at least partially contacting the image side of the first lens; and The camera lens satisfies: 38.9 < f1 / EP01 < 58.3, where f1 is the effective focal length of the first lens and EP01 is the distance along the optical axis from the object side end surface of the lens barrel to the object side surface of the first spacer element.

3. The camera lens according to claim 1, wherein, The camera lens satisfies: -2.90 < f5 / f < -2.60, 0.8 ≤ f4 / f < 0.9 and 1.20 < d5s / d4m < 1.34, where f5 is the effective focal length of the fifth lens, f is the effective focal length of the camera lens, f4 is the effective focal length of the fourth lens, d5s is the inner diameter of the object side surface of the fifth spacer element, and d4m is the inner diameter of the image side surface of the fourth spacer element.

4. The camera lens according to claim 1, wherein, The spacer element group further includes: A third spacer element disposed on the image side of the third lens and at least partially contacting the image side of the third lens; and A third auxiliary spacer element disposed on the image side of the third spacer element and at least partially contacting the image side of the third spacer element; The camera lens satisfies: 1.57 ≤ (CT3 + CT4) / CP3b ≤ 3.1, where CT3 is the central thickness of the third lens on the optical axis, CT4 is the central thickness of the fourth lens on the optical axis, and CP3b is the maximum thickness of the third auxiliary spacer element along the optical axis direction.

5. The camera lens according to claim 1 or 3, characterized in that, The camera lens satisfies: 0.90≤D5m / D4s≤1.30, where D5m is the outer diameter of the image side of the fifth spacer element and D4s is the outer diameter of the object side of the fourth spacer element.

6. The camera lens according to claim 5, characterized in that, The object-side surface of the fifth lens gradually changes from convex to concave from the paraxial region to the faraxial region, and the image-side surface gradually changes from concave to convex from the paraxial region to the faraxial region. The camera lens satisfies: 4.9≤(R9+R10) / (R11+R12)≤5.9, where R9 is the radius of curvature of the object side of the fifth lens, R10 is the radius of curvature of the image side of the fifth lens, R11 is the radius of curvature of the object side of the sixth lens, and R12 is the radius of curvature of the image side of the sixth lens.

7. The camera lens according to claim 1, characterized in that, The camera lens satisfies: 13.5≤SA42 / CP4≤18.5, where SA42 is the distance from the intersection of the image side of the fourth lens and the optical axis to the object side of the fourth spacer along the optical axis, and CP4 is the maximum thickness of the fourth spacer along the optical axis.

8. The camera lens according to claim 1, characterized in that, The camera lens satisfies: 2.90≤EP45 / CT5×N5≤3.8, where EP45 is the distance from the image side of the fourth spacer element to the object side of the fifth spacer element along the optical axis, CT5 is the center thickness of the fifth lens on the optical axis, and N5 is the refractive index of the fifth lens.

9. The camera lens according to claim 2, characterized in that, The spacer element group further includes: a second spacer element disposed on the image side of the second lens and in at least partial contact with the image side surface of the second lens; The camera lens meets the following requirements: 3.6mm. -1 ≤CT2 / CT1 / EP12≤4.9mm -1 Wherein, CT2 is the center thickness of the second lens on the optical axis, CT1 is the center thickness of the first lens on the optical axis, and EP12 is the distance from the image side of the first spacer element to the object side of the second spacer element along the optical axis.

10. The camera lens according to any one of claims 1-4 and 7-9, characterized in that, The spacer element group further includes: a sixth spacer element disposed on the image side of the sixth lens and in at least partial contact with the image side surface of the sixth lens; and The camera lens satisfies: 1.6≤(EP45+EP56) / (CT5+CT6)<2.4, where EP45 is the distance from the image side of the fourth spacer element to the object side of the fifth spacer element along the optical axis, EP56 is the distance from the image side of the fifth spacer element to the object side of the sixth spacer element along the optical axis, CT5 is the center thickness of the fifth lens on the optical axis, and CT6 is the center thickness of the sixth lens on the optical axis.

11. The camera lens according to any one of claims 1-4 and 7-9, characterized in that, The fifth lens has at least one inflection point on at least one of its object-side and image-side surfaces, and the sixth lens has at least one inflection point on at least one of its object-side and image-side surfaces. The camera lens satisfies: 7.5≤(OD6-OD5) / CP5≤13, where OD5 is the maximum outer diameter of the fifth lens in the direction perpendicular to the optical axis, OD6 is the maximum outer diameter of the sixth lens in the direction perpendicular to the optical axis, and CP5 is the maximum thickness of the fifth spacer element along the optical axis.

Images