Title:
OPTICAL IMAGING LENS
Document Type and Number:
WIPO Patent Application WO/2019/134602
Kind Code:
A1
Abstract:
Disclosed is an optical imaging lens, comprising, in order from an object side to an image side and along an optical axis: a first lens (E1), a second lens (E2), a third lens (E3), a fourth lens (E4), a fifth lens (E5), a sixth lens (E6), and a seventh lens (E7). The first lens (E1) has a positive focal power, and an object-side surface (S1) thereof is a convex surface. The second lens (E2) has a negative focal power, and an image-side surface (S4) thereof is a concave surface. The third lens (E3), the fourth lens (E4), the fifth lens (E5), and the sixth lens (E6) each have a positive focal power or a negative focal power. The seventh lens (E7) has a negative focal power, and an object-side surface (S13) thereof is a concave surface. The total effective focal length f of the optical imaging lens and the effective focal length f1 of the first lens (E1) satisfy f/f1 ≥ 2.0.
Inventors:
LYU SAIFENG (CN)
LI MING (CN)
LI MING (CN)
Application Number:
PCT/CN2018/125257
Publication Date:
July 11, 2019
Filing Date:
December 29, 2018
Export Citation:
Assignee:
ZHEJIANG SUNNY OPTICAL CO LTD (CN)
International Classes:
G02B13/00
Foreign References:
| CN107367827A | 2017-11-21 | |||
| CN107422465A | 2017-12-01 | |||
| CN107957619A | 2018-04-24 | |||
| CN207663138U | 2018-07-27 | |||
| CN206710689U | 2017-12-05 | |||
| CN106842512A | 2017-06-13 | |||
| JP2012118332A | 2012-06-21 |
Attorney, Agent or Firm:
INSIGHT INTELLECTUAL PROPERTY LIMITED (CN)
Download PDF: