ZOOM LENS AND IMAGING APPARATUS
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United States of America Patent
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Issued Date -
Apr 13, 2023
app pub date -
Aug 11, 2022
filing date -
Aug 27, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
The zoom lens consists of a first lens group, a front group, a middle group, and a rear group, in order from an object side. The first lens group has a positive refractive power and includes a negative lens and a positive lens, successively in order from a position closest to the object side to an image side. The front group consists of one or more lens groups that move during zooming and has a negative refractive power as a whole throughout an entire zoom range. The middle group includes only one lens group as a lens group. The rear group consists of a plurality of lens groups. An aperture stop is disposed between a lens surface closest to the image side in the front group and a lens surface closest to the object side in the rear group. The zoom lens satisfies predetermined conditional expressions.
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