Title:
PHOTOGRAPHING OPTICAL LENS
Document Type and Number:
WIPO Patent Application WO/2021/109197
Kind Code:
A1
Abstract:
A photographing optical lens (10), relating to the field of optical lenses, and comprising, in order 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 positive refractive power, a fourth lens (L4) having positive refractive power, a fifth lens (L5) having negative refractive power, a sixth lens (L6) having positive refractive power, a seventh lens (L7) having positive refractive power, and an eighth lens (L8) having negative refractive power. Moreover, the following relational expressions are satisfied: 1.00≤f1/f≤1.50; 2.50≤d13/d12≤5.00; 1.00≤f3/f≤2.00; and 4.50≤d5/d4≤7.00. The photographing optical lens (10) has good optical properties, and also satisfies the large-aperture, wide-angle, and ultra-thin design requirements.
Inventors:
SHI RONGBAO (CN)
Application Number:
PCT/CN2019/124886
Publication Date:
June 10, 2021
Filing Date:
December 12, 2019
Export Citation:
Assignee:
AAC OPTICS CHANGZHOU CO LTD (CN)
International Classes:
G02B13/06; G02B13/00; G02B13/18
Foreign References:
| CN109870788A | 2019-06-11 | |||
| CN110515183A | 2019-11-29 | |||
| CN109459836A | 2019-03-12 | |||
| CN209044167U | 2019-06-28 | |||
| CN207557562U | 2018-06-29 | |||
| JP2019204115A | 2019-11-28 |
Attorney, Agent or Firm:
GUANGDONG GUANGHE LAW FIRM (CN)
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