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optical lens

An optical lens and lens technology, applied in the field of optical lenses, can solve the problems of increased lens volume and weight, unfavorable lens miniaturization, and impact on lens resolution, so as to achieve a short total optical length TTL, improve image quality, and reduce front-end aperture. Effect

Active Publication Date: 2021-10-01
NINGBO SUNNY AUTOMOTIVE OPTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Usually, the resolution of the lens can be improved by increasing the number of lenses, but the volume and weight of the corresponding lens will increase, which is not conducive to the miniaturization of the lens and will increase the manufacturing cost
Under normal circumstances, in order to meet miniaturization, the resolution of the lens will be greatly affected when the total optical length of the lens is compressed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] 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.

[0061] Such as 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 and a fifth lens L5 along the optical axis from the object side to the imaging side.

[0062] The first lens L1 is a meniscus lens with negative refractive power, the object side S1 is concave, and the image side S2 is convex.

[0063] The second lens L2 is a meniscus lens with negative refractive power, the object side S3 is concave, and the image side S4 is convex.

[0064] The third lens L3 is a biconvex lens with positive refractive power, the object side S6 is convex, and the image side S7 is convex. The fourth lens L4 is a meniscus lens with negative refractive power, the object sid...

Embodiment 2

[0083] 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.

[0084] Such as figure 2As shown, the optical lens sequentially includes a first lens L1 , a second lens L2 , a third lens L3 , a fourth lens L4 and a fifth lens L5 along the optical axis from the object side to the imaging side.

[0085] The first lens L1 is a meniscus lens with negative refractive power, the object side S1 is concave, and the image side S2 is convex.

[0086] The second lens L2 is a meniscus lens with negative refractive power, the object side S3 is concave, and the image side S4 is convex.

[0087] The third lens L3 is a biconvex lens with positive refractive power, the object...

Embodiment 3

[0101] 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.

[0102] 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 and a fifth lens L5 along the optical axis from the object side to the imaging side.

[0103] The first lens L1 is a meniscus lens with positive refractive power, the object side S1 is concave, and the image side S2 is convex.

[0104] The second lens L2 is a meniscus lens with negative refractive power, the object side S3 is concave, and the image side S4 is convex.

[0105] The third lens L3 is a biconvex lens with positive refractive power, the object...

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Abstract

The present application discloses an optical lens, which may sequentially include a first lens, a second lens, a third lens, a fourth lens and a fifth lens along the optical axis from the object side to the image side. Wherein, the second lens, the fourth lens and the fifth lens can all have negative refractive power; the third lens can have positive refractive power; wherein, the object side surfaces of the first lens, the second lens and the fifth lens can all be concave surfaces , the image side can be convex; and the third lens and the fourth lens can be cemented.

Description

technical field [0001] The present application relates to an optical lens, and more particularly, the present application relates to an optical lens including five lenses. Background technique [0002] As the requirements for the pixels of an imaging device (for example, a camera) gradually increase, the corresponding chip size also increases, resulting in an increase in the overall size of the lens. At the same time, in some special applications, such as the night use of vehicle lenses, in order to improve the effect of the lens at night, it is usually necessary to increase the aperture of the lens, which will also lead to an increase in the aperture of the lens. [0003] At the same time, considering factors such as aesthetics, the less exposed parts are required for the lens installed in the vehicle, the better, which requires the size of the front end of the lens to be smaller. At the same time, the requirements for lens resolution are getting higher and higher, especia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B13/18G02B13/06
CPCG02B13/06G02B13/18
Inventor 王东方姚波谢前森
Owner NINGBO SUNNY AUTOMOTIVE OPTECH
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