Microscope objective lens

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9366850
SERIAL NO

13709785

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Abstract

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Provided is a microscope objective lens that sufficiently corrects on-axis and off-axis chromatic aberrations and that has a long working distance. A microscope objective lens OL includes, in order from an object side, a first lens group G1 with positive refractive power and a second lens group G2 with negative refractive power. The first lens group G1 of the microscope objective lens OL includes a diffractive optical element GD including a diffractive optical surface D, and the diffractive optical element GD is arranged at a position closer to the image than a section where a diameter of a light flux passing through the first lens group G1 is the largest.

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Patent Owner(s)

Patent OwnerAddress
NIKON CORPORATION1-5-20 NISHIOI SHINAGAWA-KU TOKYO 1408601 ?1408601

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takasago, Kazuhiro Yokohama, JP 7 21
Toshi, Taeko Tokyo, JP 5 3

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