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Optical lens and imaging device

An optical lens and optical technology, applied in the direction of optics, optical components, instruments, etc., can solve the problems of unfavorable lens miniaturization, total length of the lens, etc., and achieve the effects of small chromatic aberration, back focal length, and good temperature performance

Active Publication Date: 2020-11-24
NINGBO SUNNY AUTOMOTIVE OPTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Medium and long-distance imaging requires a longer focal length of the lens, but a longer focal length will result in a longer total length of the lens, which is not conducive to the miniaturization of the lens

Method used

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  • Optical lens and imaging device
  • Optical lens and imaging device
  • Optical lens and imaging device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0091] Refer to the following figure 1 An optical lens according to Embodiment 1 of the present application is described. figure 1 A schematic structural diagram of the optical lens according to Embodiment 1 of the present application is shown.

[0092] like figure 1 As shown, the optical lens sequentially includes a first lens L1 , a second lens L2 , a third lens L3 , a fourth lens L4 , a fifth lens L5 and a sixth lens L6 along the optical axis from the object side to the imaging side.

[0093] The first lens L1 is a meniscus lens with negative refractive power, the object side S1 is convex, and the image side S2 is concave. Wherein, the first lens L1 is an aspheric lens, and its object side S1 and image side S2 are both aspherical.

[0094] The second lens L2 is a meniscus lens with positive refractive power, the object side S3 is concave, and the image side S4 is convex.

[0095] The third lens L3 is a biconcave lens with negative refractive power, and its object side S...

Embodiment 2

[0113] Refer to the following figure 2 An optical lens according to Embodiment 2 of the present application is described. In this embodiment and the following embodiments, for the sake of brevity, descriptions similar to those in Embodiment 1 will be omitted. figure 2 A schematic structural view of the optical lens according to Embodiment 2 of the present application is shown.

[0114] like figure 2 As shown, the optical lens sequentially includes a first lens L1 , a second lens L2 , a third lens L3 , a fourth lens L4 , a fifth lens L5 and a sixth lens L6 along the optical axis from the object side to the imaging side.

[0115] The first lens L1 is a meniscus lens with negative refractive power, the object side S1 is convex, and the image side S2 is concave. Wherein, the first lens L1 is an aspheric lens, and its object side S1 and image side S2 are both aspherical.

[0116] The second lens L2 is a meniscus lens with positive refractive power, the object side S3 is conc...

Embodiment 3

[0130] Refer to the following image 3 An optical lens according to Embodiment 3 of the present application is described. In this embodiment and the following embodiments, for the sake of brevity, descriptions similar to those in Embodiment 1 will be omitted. image 3 A schematic structural diagram of an optical lens according to Embodiment 3 of the present application is shown.

[0131] Such as image 3 As shown, the optical lens sequentially includes a first lens L1 , a second lens L2 , a third lens L3 , a fourth lens L4 , a fifth lens L5 and a sixth lens L6 along the optical axis from the object side to the imaging side.

[0132] The first lens L1 is a meniscus lens with negative refractive power, the object side S1 is convex, and the image side S2 is concave. Wherein, the first lens L1 is an aspheric lens, and its object side S1 and image side S2 are both aspherical.

[0133] The second lens L2 is a meniscus lens with positive refractive power, the object side S3 is co...

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PUM

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Abstract

The present invention discloses an optical lens and an imaging device comprising the same. The optical lens can sequentially comprise a first lens, a second lens, a third lens, a fourth lens, a fifthlens and a sixth lens from an object side to an image side along an optical axis. The first lens can have negative focal power, the object side surface of the first lens is a convex surface, and the image side surface of the first lens is a concave surface; the second lens can have positive focal power; the third lens can have negative focal power, and the object side surface and the image side surface of the third lens are concave surfaces; the fourth lens can have positive focal power, and the object side surface and the image side surface of the fourth lens are convex surfaces; the fifth lens can have positive focal power, and the object side surface and the image side surface of the fifth lens are convex surfaces; and the sixth lens can have negative focal power, and the object side surface of the sixth lens is a concave surface. The optical lens can realize at least one of the beneficial effects of high resolution, small aberration, small chromatic aberration, medium and long distance imaging, miniaturization, the large aperture, the long back focal length, good temperature performance, low cost, the large field angle, long coking and the like.

Description

technical field [0001] The present application relates to an optical lens and an imaging device including the optical lens, more particularly, the present application relates to an optical lens including six lenses and an imaging device. Background technique [0002] With the development of science and technology and the wide application of high-tech, the auxiliary driving technology of automobiles has gradually developed and matured, and optical lenses have been more and more widely used in automobiles. [0003] Generally, the performance requirements of optical lenses for general vehicle applications are very high, while the performance requirements for optical lenses used in autonomous driving are more stringent. It needs to have relatively large advantages in detection distance, resolution and low-light performance. [0004] Medium and long-distance imaging requires a longer focal length of the lens, but a longer focal length will result in a longer total length of the l...

Claims

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Application Information

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IPC IPC(8): G02B13/00G02B13/18G02B13/06
CPCG02B13/0045G02B13/006G02B13/06G02B13/18
Inventor 张野
Owner NINGBO SUNNY AUTOMOTIVE OPTECH