Title:
A ZOOM LENS SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/202273
Kind Code:
A9
Abstract:
A zoom lens system for providing high quality images with higher resolution includes a first lens group (110), an aperture stop (120), and a second lens group (130). The first lens group has a positive or negative refractive power, and includes at least two lens elements having a negative refractive power and at least on lens element having a positive refractive power. The second lens group has a positive refractive power. A distance between a first and second lens group is not fixed.
Inventors:
LIU KAI (CN)
WANG FENG (CN)
DING HONGXING (CN)
ZHANG XINGMING (CN)
ZHANG QIAN (CN)
WANG FENG (CN)
DING HONGXING (CN)
ZHANG XINGMING (CN)
ZHANG QIAN (CN)
Application Number:
PCT/CN2016/086000
Publication Date:
February 02, 2017
Filing Date:
June 16, 2016
Export Citation:
Assignee:
ZHEJIANG DAHUA TECHNOLOGY CO (CN)
International Classes:
G02B15/177; G02B13/00
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