Title:
CAMERA LENS GROUP
Document Type and Number:
WIPO Patent Application WO/2020/199573
Kind Code:
A1
Abstract:
A camera lens group, sequentially comprising, 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), a seventh lens (E7), and an eighth lens (E8), which have focal powers, wherein the first lens (E1), the fourth lens (E4), the sixth lens (E6), and the seventh lens (E7) have positive focal powers; the eighteen lens (E8) has a negative focal power; a total effective focal length f of the camera lens group and a maximum semi-field of view Semi-FOV of the camera lens group satisfy the condition that f × tan(Semi-FOV) > 6.0 mm; the total effective focal length f of the camera lens group and an effective focal length f7 of the seventh lens satisfy the condition that 0.4 < f/f7 < 1.2.
Inventors:
DAI FUJIAN (CN)
ZHANG KAIYUAN (CN)
ZHANG YI (CN)
ZHAO LIEFENG (CN)
ZHANG KAIYUAN (CN)
ZHANG YI (CN)
ZHAO LIEFENG (CN)
Application Number:
PCT/CN2019/114315
Publication Date:
October 08, 2020
Filing Date:
October 30, 2019
Export Citation:
Assignee:
ZHEJIANG SUNNY OPTICAL CO LTD (CN)
International Classes:
G02B9/64
Foreign References:
| CN109870788A | 2019-06-11 | |||
| CN206757167U | 2017-12-15 | |||
| CN206757167U | 2017-12-15 | |||
| CN109490995A | 2019-03-19 | |||
| CN109490995A | 2019-03-19 | |||
| CN107703609A | 2018-02-16 | |||
| CN107741630A | 2018-02-27 | |||
| CN107608059A | 2018-01-19 | |||
| CN109358413A | 2019-02-19 | |||
| JP2005208258A | 2005-08-04 |
Attorney, Agent or Firm:
SEA INTELLECTUAL PROPERTY LAW FIRM (CN)
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