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Title:
IMAGE PICKUP OPTICAL CAMERA
Document Type and Number:
WIPO Patent Application WO/2021/127874
Kind Code:
A1
Abstract:
An image pickup optical camera (10) having high imaging performance and achieving a large aperture, a wide angle, and ultra-thinness. From an object side to an image side, the image pickup optical camera sequentially comprises a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4), and a fifth lens (L5). The following relational expressions are satisfied: 0.40≤BF/TTL≤0.60, and 3.50≤d7/d5≤8.00, wherein d5 is the axial thickness of the third lens (L3), d7 is the axial thickness of the fourth lens (L4), BF is an axial distance from an image side surface to an image surface of the fifth lens (L5), and TTL is the total optical length of the image pickup camera (10).

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Inventors:
LI HONGYE (CN)
Application Number:
PCT/CN2019/127523
Publication Date:
July 01, 2021
Filing Date:
December 23, 2019
Export Citation:
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Assignee:
AAC OPTICS CHANGZHOU CO LTD (CN)
International Classes:
G02B9/60; G02B13/18
Foreign References:
US7706085B22010-04-27
CN109425953A2019-03-05
CN109313322A2019-02-05
JP2000066091A2000-03-03
JPH0436714A1992-02-06
Attorney, Agent or Firm:
HENSEN INTELLECTUAL PROPERTY FIRM (CN)
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