Image pickup lens and image pickup apparatus including the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9116330
APP PUB NO 20140293444A1
SERIAL NO

14217556

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An image pickup lens includes, in order from an object side; a negative front lens unit; a stop; and a positive rear lens unit, wherein the front lens unit includes a negative front first lens, a negative front second lens, and a positive front third lens, in order from the object side, wherein the rear lens unit includes a positive rear first lens having at least one aspherical surface and a cemented lens made up of a positive rear second lens and a negative rear third lens, in order from the object side, and wherein an Abbe constant of a positive lens disposed on the most object side, an Abbe constant of a negative lens disposed on the most image side, a focal length of the front lens unit, and a focal length of the rear lens unit are appropriately set.

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First Claim

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Hirofumi Utsunomiya, JP 41 535

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