Invention Grant
US09383559B2 Zoom lens and imaging apparatus 有权
变焦镜头和成像设备

Zoom lens and imaging apparatus
Abstract:
A zoom lens consists essentially of, in order from the object side, a positive first lens group, a positive second lens group, a negative third lens group, a negative fourth lens group, and a positive fifth lens group. During magnification change from the wide-angle end to the telephoto end, the first lens group and the fifth lens group are fixed relative to the image plane, and the second lens group, the third lens group, and the fourth lens group are moved along the optical axis direction to change distances between the lens groups.
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