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Title:
OPTICAL CAMERA LENS
Document Type and Number:
WIPO Patent Application WO/2021/114082
Kind Code:
A1
Abstract:
An optical camera lens (10) sequentially comprising, from an object side to an image side, a first lens (L1), a second lens (L2) having a positive refractive power, a third lens (L3), a fourth lens (L4) having a positive refractive power, a fifth lens (L5), a sixth lens (L6) having a negative refractive power, a seventh lens (L7) having a positive refractive power, and an eighth lens (L8) having a negative refractive power, wherein the on-axis thickness of the sixth lens (L6) is d11, the on-axis distance from an image-side face of the sixth lens (L6) to an object-side face of the seventh lens (L7) is d12, the Abbe number of the second lens (L2) is v2, the Abbe number of the third lens (L3) is v3, and the following relational expressions are satisfied: 5.50 ≤ d11/d12 ≤ 10.00 and 2.80 ≤ v2/v3 ≤ 4.50. The optical camera lens meets the requirements of a large aperture, wide-angle and ultra-thin design while having a good optical performance.

Inventors:
YAN JUNJIE (CN)
SUN WEN (CN)
Application Number:
PCT/CN2019/124285
Publication Date:
June 17, 2021
Filing Date:
December 10, 2019
Export Citation:
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Assignee:
AAC OPTICS CHANGZHOU CO LTD (CN)
International Classes:
G02B13/18; G02B9/64; G02B11/34; G02B13/00
Foreign References:
CN110515187A2019-11-29
CN109343205A2019-02-15
CN109343205A2019-02-15
JP2017142363A2017-08-17
US4981344A1991-01-01
CN111007621A2020-04-14
Attorney, Agent or Firm:
SHENZHEN ZICHEN INTELLECTUAL PROPERTY AGENCY LIMITED (CN)
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