Title:
OPTICAL IMAGING LENS GROUP
Document Type and Number:
WIPO Patent Application WO/2019/218759
Kind Code:
A1
Abstract:
An optical imaging lens group comprises, in order 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) having respective optical powers, wherein: the first lens (E1) can have a negative optical power, and an object-side surface (S1) thereof can be a plano surface; the second lens (E2) can have a positive optical power; the fifth lens (E5) can have a positive optical power; the sixth lens (E6) can have a negative optical power; and an effective focal length f of the optical imaging lens group and an effective focal length f5 of the fifth lens can satisfy: 1＜f/f5＜3.
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Inventors:
ZHANG XIAOHUI (CN)
LYU SAIFENG (CN)
YOU XINGHAI (CN)
LYU SAIFENG (CN)
YOU XINGHAI (CN)
Application Number:
PCT/CN2019/077283
Publication Date:
November 21, 2019
Filing Date:
March 07, 2019
Export Citation:
Assignee:
ZHEJIANG SUNNY OPTICAL CO LTD (CN)
International Classes:
G02B9/62; G02B13/00; G02B13/06; G02B13/18
Foreign References:
| CN108459397A | 2018-08-28 | |||
| CN201302618Y | 2009-09-02 | |||
| CN103261941A | 2013-08-21 | |||
| CN104865682A | 2015-08-26 | |||
| CN106610518A | 2017-05-03 |
Attorney, Agent or Firm:
INSIGHT INTELLECTUAL PROPERTY LIMITED (CN)
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