Metis IP LLC
Zoom lens system
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.
ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
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Xingming Feng Hongxing Kai Qian
Zhang Wang Ding Liu Zhang