Zoom lens
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United States of America Patent
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Nov 28, 2017
Grant Date -
Apr 7, 2016
app pub date -
Apr 29, 2015
filing date -
Oct 7, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A zoom lens is provided. The zoom lens includes a first lens group, a second lens group, a third lens group and an aperture stop. The second lens group is disposed between the first lens group and the third lens group. The aperture stop is disposed between the first lens group and the second lens group. When the zoom lens zooms, the aperture stop is fixed without moving and the first lens group correspondingly moves.
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