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Title:
AN ULTRA-WIDE-ANGLE LENS OPTICAL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/226957
Kind Code:
A1
Abstract:
An ultra-wide-angle lens optical system consists of a front lens (L1), a non-planar prism (L2), and a rear lens group (L3, L4, L5, L6, L7). The non-planar prism (L2) has non-planar surfaces on both the object side and the imaging side. The non-planar prism (L2) is configured to bend the optical path by 90 o.

Inventors:
MIYATANI SOTA (JP)
ANZAWA TAKUYA (JP)
Application Number:
PCT/CN2021/091258
Publication Date:
November 03, 2022
Filing Date:
April 30, 2021
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G02B13/04; G02B17/00
Foreign References:
CN101140352A2008-03-12
CN101210996A2008-07-02
CN111399179A2020-07-10
US20180039049A12018-02-08
US20190331897A12019-10-31
CN101373263A2009-02-25
JP2007033476A2007-02-08
JP2012198568A2012-10-18
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