Image pickup lens

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United States of America Patent

PATENT NO 9891409
SERIAL NO

15099367

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Abstract

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An image pickup lens includes a first lens with positive refractive power having a convex object side surface, an aperture stop, a second lens with negative refractive power having a convex image side surface, a third lens with positive refractive power having a concave image side surface, a fourth lens with positive refractive power having a convex image side surface, and a fifth lens with negative refractive power as a double-sided aspheric lens having a concave image side surface near the optical axis;

    wherein the first lens and the second lens satisfy following conditional expressions (1) and (2);50<ν1<85  (1)20<ν2<35  (2)where ν1 represents an Abbe number of the first lens, and ν2 represents an Abbe number of the second lens, and where the second lens satisfies a following conditional expression (3);1.55

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Patent Owner(s)

Patent OwnerAddress
TOKYO VISIONARY OPTICS CO LTD7F MJ BLDG 1-7-4 MINATO CHUO-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Noda, Sayuri Sukagawa, JP 41 506

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