Title:
OPTICAL IMAGING CAMERA
Document Type and Number:
WIPO Patent Application WO/2019/019530
Kind Code:
A1
Abstract:
Disclosed is an optical imaging camera, sequentially comprising, from an object side to an image side along an optical axis: a first lens (E1), a second lens (E2), a third lens (E3), a fourth lens (E4) and a fifth lens (E5). The first lens (E1) has a positive focal power, an object side surface (S1) thereof is a convex surface, and an image side surface (S2) thereof is a concave surface; the second lens (E2) has a positive or negative focal power; the third lens (E3) has a negative focal power; the fourth lens (E4) has a positive focal power; the fifth lens (E5) has a negative focal power, and the image side surface (S10) thereof is a convex surface; and the total effective focal length f of the optical imaging camera and the entrance pupil diameter EPD of the optical imaging camera satisfy f/EPD ≤ 1.9.
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Inventors:
SONG BO (CN)
Application Number:
PCT/CN2017/116156
Publication Date:
January 31, 2019
Filing Date:
December 14, 2017
Export Citation:
Assignee:
ZHEJIANG SUNNY OPTICAL CO LTD (CN)
International Classes:
G02B13/00
Foreign References:
| CN107167900A | 2017-09-15 | |||
| CN106896481A | 2017-06-27 | |||
| CN106405796A | 2017-02-15 | |||
| CN104516090A | 2015-04-15 | |||
| JP2016085390A | 2016-05-19 | |||
| US20130279023A1 | 2013-10-24 |
Attorney, Agent or Firm:
INSIGHT INTELLECTUAL PROPERTY LIMITED (CN)
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