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Camera lens

A camera lens and lens technology, applied in the field of camera lens, can solve the problems of large aperture, high image quality and miniaturization difficult to achieve at the same time.

Pending Publication Date: 2022-06-07
ZHEJIANG SUNNY OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a camera lens to solve the problems that the camera lenses in the prior art have large aperture, high image quality and miniaturization that are difficult to realize simultaneously

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0066] like Figure 1 to Figure 30 As shown, the camera lens includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens in sequence from the object side to the image side; the surface of the fourth lens facing the object side It is a convex surface, and the surface facing the image side is a convex surface; the surface facing the image side of the sixth lens is a convex surface; wherein, the effective focal length f of the camera lens and the on-axis distance TTL from the surface facing the object side of the first lens to the imaging surface The time satisfies: 0.85<f / TTL<1; the aperture value Fno of the camera lens satisfies: Fno<1.7.

[0067] Preferably, 0.85

[0068] By arranging that the surface facing the object side and the surface facing the image side of the fourth lens are both convex surfaces, the image height of the imaging lens group on the imaging surface can be increased. By controlling the apert...

Embodiment 2

[0088] like Figure 1 to Figure 30 As shown, from the object side to the image side, the camera lens includes: a first lens; a second lens; a third lens; a fourth lens, the surface facing the object side is convex, and the surface facing the image side is convex; the fifth lens ; the sixth lens, whose surface facing the image side is convex; the seventh lens; wherein, between the effective focal length f of the imaging lens and the on-axis distance TTL from the surface facing the object side of the first lens to the imaging surface: 0.85< f / TTL<1; the maximum half-field angle Semi-FOV of the camera lens, the half ImgH of the diagonal length of the effective pixel area on the imaging plane, and the entrance pupil diameter EPD of the camera lens satisfy: 0.6<ImgH*tan(Semi- -FOV) / EPD<0.8.

[0089] Preferably, 0.85

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Abstract

The invention provides a camera lens. The pick-up lens sequentially comprises a first lens from an object side to an image side; a second lens; a third lens; the surface, facing the object side, of the fourth lens is a convex surface, and the surface, facing the image side, of the fourth lens is a convex surface; a fifth lens; the surface, facing the image side, of the sixth lens is a convex surface; a seventh lens; wherein the effective focal length f of the pick-up lens and the on-axis distance TTL from the surface, facing the object side, of the first lens to the imaging surface meet the following conditions: 0.85 lt; f / TTLlt; 1; the aperture value Fno of the pick-up lens meets the following formula: Fnolt; and 1.7. According to the invention, the problem that large aperture, high image quality and miniaturization of a camera lens in the prior art are difficult to realize at the same time is solved.

Description

technical field [0001] The present invention relates to the technical field of optical imaging devices, and in particular, to a camera lens. Background technique [0002] At present, the requirements of the mobile phone market for camera functions are constantly improving. The camera lenses on mainstream mobile phones are mostly composed of six or seven lenses, which is also the development trend of high-end camera phones in the future. With the continuous development of science and technology, users have more and more diverse requirements for camera performance of mobile phones, such as large aperture, high image quality, miniaturization, etc., which have gradually become the development direction of camera lenses used in portable electronics today. [0003] That is to say, the imaging lens in the prior art has the problem that it is difficult to achieve large aperture, high image quality and miniaturization at the same time. SUMMARY OF THE INVENTION [0004] The main pu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B13/18
CPCG02B13/0045G02B13/18G03B30/00
Inventor 张萌娄琪琪耿晓婷戴付建赵烈烽
Owner ZHEJIANG SUNNY OPTICAL CO LTD