Title:
TELEPHOTO LENS, CAMERA MODULE, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/179632
Kind Code:
A1
Abstract:
A telephoto lens (1), a camera module (40), and an electronic device (100). The telephoto lens (1) comprises a first lens group (G1), a second lens group (G2) and a third lens group (G3) arranged from an object side to an image side. The first lens group (G1) and the third lens group (G3) are fixed lens groups, and the second lens group (G2) is a focusing lens group; the second lens group (G2) moves along an optical axis to the object side in a focusing process of the telephoto lens (1) from long photography to close photography; a combined focal length of the first lens group (G1) and the second lens group (G2) is reduced, and a combined focal length of the second lens group (G2) and the third lens group (G3) is reduced. The focusing capability of the telephoto lens (1) is strong, and imaging quality is high.
Inventors:
LU JIANLONG (CN)
YE HAISHUI (CN)
NIU YAJUN (CN)
TANG WEI (CN)
YE HAISHUI (CN)
NIU YAJUN (CN)
TANG WEI (CN)
Application Number:
PCT/CN2022/078115
Publication Date:
September 01, 2022
Filing Date:
February 26, 2022
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G02B13/02; G02B13/18
Foreign References:
| CN110488455A | 2019-11-22 | |||
| CN112105980A | 2020-12-18 | |||
| CN111830692A | 2020-10-27 | |||
| CN110412716A | 2019-11-05 | |||
| CN110045489A | 2019-07-23 | |||
| US5642230A | 1997-06-24 | |||
| CN202110221352A | 2021-02-27 | |||
| CN202110815848A | 2021-07-19 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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