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Title:
OPTICAL IMAGING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/078139
Kind Code:
A1
Abstract:
The present application discloses an optical imaging system. The optical imaging system comprises: a first lens, a second lens, a third lens and a first prism which are sequentially arranged from the object side along a first direction, wherein the first prism reflects light incident on the first prism along the first direction to be emergent from the first prism along a second direction; and a second prism which is arranged along the second direction reflects the light emergent from the first prism and incident on the second prism along the second direction to be emergent from the second prism along a third direction, wherein the first direction, the second direction and the third direction are perpendicular to each other, wherein the total effective focal length f of the optical imaging system satisfies: f > 20 mm.

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Inventors:
HU YABIN (CN)
DAI FUJIAN (CN)
ZHAO LIEFENG (CN)
Application Number:
PCT/CN2021/117948
Publication Date:
April 21, 2022
Filing Date:
September 13, 2021
Export Citation:
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Assignee:
ZHEJIANG SUNNY OPTICS CO LTD (CN)
International Classes:
G02B13/18; G02B13/00
Foreign References:
CN112034598A2020-12-04
CN111399186A2020-07-10
CN111308688A2020-06-19
CN111308672A2020-06-19
CN110109235A2019-08-09
Attorney, Agent or Firm:
INSPIRING INTELLECTUAL PROPERTY LTD. (CN)
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