Lens assembly
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United States of America Patent
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Issued Date -
Jan 19, 2017
app pub date -
Jun 29, 2016
filing date -
Jul 17, 2015
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Abstract
A lens assembly includes a stop, a first lens, a second lens and a third lens, all of which are arranged in sequence from an object side to an image side along an optical axis. The first lens is a plano-convex lens with positive refractive power and includes a convex surface facing the object side. The second lens is with negative refractive power. The third lens is with positive refractive power and includes a convex surface facing the object side. The third lens satisfies 0
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