IMAGING LENS AND SPACER ADAPTED TO IMAGING LENS
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United States of America Patent
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Issued Date -
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app pub date -
Mar 25, 2015
filing date -
Jul 17, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An imaging lens includes a lens barrel, a plurality of lens elements and a spacer. The lens elements are disposed in the lens barrel. The spacer is disposed between the lens barrel and one of the lens elements or between two adjacent lens elements. The spacer is ring-shaped and includes an inside layer and two outside layers. The two outside layers are attached on opposite sides of the inside layer, respectively. The spacer has an object-side surface, an image-side surface and a first inner ring-shaped oblique surface. The object-side surface and the image-side surface are formed outside the two outside layers in parallel and oriented toward an object side and an image side of the lens elements, respectively. The first inner ring-shaped oblique surface is formed at an inner periphery of the spacer and connected to at least one of the object-side surface and the image-side surface.
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