Title:
CAMERA OPTICAL LENS
Document Type and Number:
WIPO Patent Application WO/2021/031241
Kind Code:
A1
Abstract:
The present invention provides a camera optical lens, wherein the camera optical lens sequentially includes a first lens having positive refractive power, a second lens having negative refractive power, a third lens, a fourth lens having positive refractive power, a fifth lens having negative refractive power, a sixth lens having negative refractive power, a seventh lens having positive refractive power and an eighth lens having negative refractive power from the object side to the image side; the focal length of the camera optical lens is f, the focal length of the first lens is f1, the focal length of the fourth lens is f4, the focal length of the fifth lens is f5, and the following relationships are satisfied: 0.65≤f1/f≤0.85; 2.00≤f4/f≤5.00; -5.50≤f5/f≤-2.50. The camera optical lens of the present invention has good optical performance, and has the features of large aperture, wide angle, and ultra-thinness.
Inventors:
YAN JUNJIE (CN)
SUN WEN (CN)
SUN WEN (CN)
Application Number:
PCT/CN2019/103624
Publication Date:
February 25, 2021
Filing Date:
August 30, 2019
Export Citation:
Assignee:
AAC OPTICS CHANGZHOU CO LTD (CN)
International Classes:
G02B9/64; G02B13/00; G02B11/34; G02B13/06; G02B13/18
Foreign References:
| CN107703609A | 2018-02-16 | |||
| CN209070190U | 2019-07-05 | |||
| CN109541781A | 2019-03-29 | |||
| CN109765679A | 2019-05-17 |
Attorney, Agent or Firm:
SHENZHEN CIPRUN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
Download PDF:
Previous Patent: CAMERA OPTICAL LENS
Next Patent: CHARACTER VERIFICATION METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM
Next Patent: CHARACTER VERIFICATION METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM