Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
IMAGING LENS
Document Type and Number:
WIPO Patent Application WO/2018/192166
Kind Code:
A1
Abstract:
An imaging lens, comprising in sequence from the objective side to the imaging side a first lens (E1), a second lens (E2), a third lens (E3), a fourth lens (E4), and a fifth lens (E5), the effective focal length f of the imaging lens and the entrance pupil diameter EPD of the imaging lens fulfilling f/EPD≤1.8, and the incident angle of the main light ray corresponding to the maximum field of view incident to the objective side face of the fourth lens being CRA4<15°. The imaging lens consists of five lenses, achieving an ultra-thin large aperture imaging lens having good imaging quality.

Inventors:
HU, Yabin (No. 66-68 Shunyu Road, Yuyao Ningbo, Zhejiang 0, 315400, CN)
Application Number:
CN2017/102429
Publication Date:
October 25, 2018
Filing Date:
September 20, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ZHEJIANG SUNNY OPTICAL CO., LTD (No. 66-68 Shunyu Road, Yuyao Ningbo, Zhejiang 0, 315400, CN)
International Classes:
G02B13/00; G02B9/60
Foreign References:
CN106896481A2017-06-27
CN104765130A2015-07-08
CN105988185A2016-10-05
CN103454753A2013-12-18
CN105278080A2016-01-27
KR20150044681A2015-04-27
Attorney, Agent or Firm:
INSIGHT INTELLECTUAL PROPERTY LIMITED (19 A, Tower A InDo Building,No. 48A Zhichun Road, Haidian District, Beijing 8, 100098, CN)
Download PDF: