Title:
PHOTOGRAPHING OPTICAL LENS
Document Type and Number:
WIPO Patent Application WO/2022/047987
Kind Code:
A1
Abstract:
A photographing optical lens (10, 20, 30, 40). The photographing optical lens (10, 20, 30, 40) comprises a total five lenses, the five lenses successively comprising, from an object side to an image side: a first lens (L1) having positive refractive power, a second lens (L2) having negative refractive power, a third lens (L3) having negative refractive power, a fourth lens (L4) having positive refractive power, and a fifth lens (L5) having negative refractive power; and the following relational expressions are satisfied: -3.50≤f2/f1≤-2.00; 1.00≤(R7+R8)/(R7-R8)≤5.00; f3/f≤-12.00; -2.50≤R10/R9≤-0.80; 2.00≤d7/d8≤3.20; and 0.70≤d4/d6≤1.15. The photographing optical lens (10, 20, 30, 40) has good optical properties, and satisfies the design requirements of large aperture, wide angle, and ultra-thinness.
Inventors:
SHI RONGBAO (CN)
Application Number:
PCT/CN2020/125708
Publication Date:
March 10, 2022
Filing Date:
October 31, 2020
Export Citation:
Assignee:
AAC OPTICS SHENZHEN CO LTD (CN)
International Classes:
G02B13/00; G02B13/06; G02B13/18
Foreign References:
| CN110749979A | 2020-02-04 | |||
| CN106873128A | 2017-06-20 | |||
| CN106842505A | 2017-06-13 | |||
| CN106802467A | 2017-06-06 | |||
| CN110007442A | 2019-07-12 | |||
| US20150219879A1 | 2015-08-06 |
Attorney, Agent or Firm:
SHENZHEN ZICHEN INTELLECTUAL PROPERTY AGENCY LIMITED (CN)
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