Title:
CAMERA LENS
Document Type and Number:
WIPO Patent Application WO/2018/153012
Kind Code:
A1
Abstract:
Provided is a camera lens, having a total effective focal length f and an entrance pupil diameter EPD, and comprising, in order along the optical axis from the object side to the image side, a first lens (E1), a second lens (E2), a third lens (E3), a fourth lens (E4), a fifth lens (E5), and a sixth lens (E6), and characterized in that said first lens (E1) has a positive focal power, said second lens (E2) has a negative focal power, said third lens (E3) has a positive focal power, said fourth lens (E4) has a positive focal power or a negative focal power, said fifth lens (E5) has a positive focal power or a negative focal power, and said sixth lens (E6) has a negative focal power. In addition, the total effective focal length f and the entrance pupil diameter EPD satisfy f/EPD≤1.8.
Inventors:
ZHANG KAIYUAN (CN)
DAI FUJIAN (CN)
DAI FUJIAN (CN)
Application Number:
PCT/CN2017/093501
Publication Date:
August 30, 2018
Filing Date:
July 19, 2017
Export Citation:
Assignee:
ZHEJIANG SUNNY OPTICAL CO LTD (CN)
International Classes:
G02B13/00; G02B13/18
Foreign References:
| CN106646833A | 2017-05-10 | |||
| US20160116715A1 | 2016-04-28 | |||
| CN105319688A | 2016-02-10 | |||
| CN106168700A | 2016-11-30 | |||
| CN104423017A | 2015-03-18 |
Attorney, Agent or Firm:
INSIGHT INTELLECTUAL PROPERTY LIMITED (CN)
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