Imaging lens, image pickup device and portable terminal
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United States of America Patent
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Jul 23, 2013
Grant Date -
Dec 23, 2010
app pub date -
Feb 12, 2009
filing date -
Feb 12, 2008
priority date (Note) -
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Abstract
An imaging lens (LN) of an imaging device (ID) is composed of an aperture stop (ST) and a lens unit (LU) having positive power. Even when the object side surface of the lens unit (LU) has a shape convexed to the side of the object, and a lens whose image side surface is concaved to the image side is used, excellent aberration performance with a short optical total length, a small sensor incidence angle and a small distortion are achieved at low cost.
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