Title:
OPTICAL IMAGING LENS
Document Type and Number:
WIPO Patent Application WO/2019/218628
Kind Code:
A1
Abstract:
An optical imaging lens. The lens sequentially comprises, 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), a fifth lens (E5), and a sixth lens (E6). The first lens (E1) has positive focal power; the second lens (E2) has negative focal power; the third lens (E3) has negative focal power; the fourth lens (E4) has focal power, and the image side surface (S8) thereof is convex; the fifth lens (E5) has negative focal power, and the object side surface (S9) thereof is concave; and the sixth lens (E6) has focal power, and the object side surface (S11) thereof is concave. The effective focal length f3 of the third lens (E3) and the effective focal length f of the optical imaging lens meet -3˂f3/f˂-1.5.
Inventors:
HUANG LIN (CN)
ZHOU XIN (CN)
ZHOU XIN (CN)
Application Number:
PCT/CN2018/116309
Publication Date:
November 21, 2019
Filing Date:
November 20, 2018
Export Citation:
Assignee:
ZHEJIANG SUNNY OPTICAL CO LTD (CN)
International Classes:
G02B13/00; G02B13/18
Foreign References:
| CN108627955A | 2018-10-09 | |||
| CN107065131A | 2017-08-18 | |||
| CN106842503A | 2017-06-13 | |||
| CN107065129A | 2017-08-18 | |||
| US20130215520A1 | 2013-08-22 |
Attorney, Agent or Firm:
INSIGHT INTELLECTUAL PROPERTY LIMITED (CN)
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