Title:
OPTICAL IMAGING CAMERA
Document Type and Number:
WIPO Patent Application WO/2020/119171
Kind Code:
A1
Abstract:
Disclosed is an optical imaging camera. The imaging camera comprises in sequence from an object side to an image side along an optical axis: a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4) and a fifth lens (L5). The first lens (L1) has a positive focal power, the object side surface (R1) of the lens being a convex surface; the second lens (L2) has a focal power, the image side surface (R4) of the lens being a concave surface; the third lens (L3) has a focal power; the fourth lens (L4) has a focal power; the fifth lens (L5) has a negative focal power; the total effective focal length (f) of the optical imaging camera and the combined focal length (f123) of the first lens (L1), the second lens (L2) and the third lens (L3) satisfy 0.6＜f/f123＜1.
Inventors:
ZHANG JIAYING (CN)
XU BIAO (CN)
XU BIAO (CN)
Application Number:
PCT/CN2019/102145
Publication Date:
June 18, 2020
Filing Date:
August 23, 2019
Export Citation:
Assignee:
ZHEJIANG SUNNY OPTICAL CO LTD (CN)
International Classes:
G02B13/00
Foreign References:
| CN109298516A | 2019-02-01 | |||
| CN101819315A | 2010-09-01 | |||
| CN203630433U | 2014-06-04 | |||
| CN105549185A | 2016-05-04 | |||
| CN203480113U | 2014-03-12 | |||
| CN104570294A | 2015-04-29 | |||
| US20060017834A1 | 2006-01-26 |
Attorney, Agent or Firm:
SEA INTELLECTUAL PROPERTY LAW FIRM (CN)
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