Zoom lens and imaging apparatus
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United States of America Patent
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Aug 29, 2017
Grant Date -
Jun 2, 2016
app pub date -
Nov 27, 2015
filing date -
Dec 2, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A zoom lens includes, in order from the object side: a positive first lens group; a negative second lens group; a positive third lens group; a negative fourth lens group; and a positive fifth lens group. The distance between the first and second lens groups constantly increases, the distance between the second and third lens groups constantly decreases, the distance between the third and fourth lens groups constantly changes, and the distance between the fourth and fifth lens groups constantly increases when changing magnification from the wide angle to the telephoto end. The first lens group includes three lenses. The second lens group includes four lenses. The third lens group includes six lenses and an aperture stop. The fifth lens group includes a single lens component.
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