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Patent Searching and Data


Title:
ZOOM LENS, CAMERA MODULE AND MOBILE TERMINAL
Document Type and Number:
WIPO Patent Application WO/2021/185185
Kind Code:
A1
Abstract:
A zoom lens (4), a camera module (40) and a mobile terminal (100). The zoom lens (4) comprises a first lens group (G1), a second lens group (G2), a third lens group (G3) and a fourth lens group (G4) that are arranged from the object side to the image side. The first lens group (G1) is a fixed lens group having positive optical power; the second lens group (G2) is a zoom lens group having negative optical power; the third lens group (G3) is a compensation lens group having positive optical power; and the fourth lens group (G4) is a fixed lens group having positive optical power. During a zooming process of the zoom lens (4) from a short focal end to a long focal end, the second lens group (G2) moves along the optical axis to the image side, and the third lens group (G3) moves along the optical axis to the object side. The zoom lens (4) has excellent imaging quality.

Inventors:
NIU YAJUN (CN)
YAO XIUWEN (CN)
YE HAISHUI (CN)
Application Number:
PCT/CN2021/080606
Publication Date:
September 23, 2021
Filing Date:
March 12, 2021
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G02B15/173; G02B1/00; G02B3/00
Foreign References:
CN202372693U2012-08-08
CN103033913A2013-04-10
CN107193117A2017-09-22
CN205263388U2016-05-25
CN206773283U2017-12-19
US20130141797A12013-06-06
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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