Wide angle lens and image pickup apparatus using the same

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United States of America Patent

PATENT NO 9753250
APP PUB NO 20150338605A1
SERIAL NO

14716523

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Abstract

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A wide angle lens includes in order from an object side, a front lens unit having a positive refractive power, one focusing lens having a negative refractive power, and a rear lens unit having a positive refractive power, and at the time of focusing, the focusing lens moves on an optical axis, and the following conditional expressions (1) and (2) are satisfied.

description='In-line Formulae' end='lead'0.1<f1/SSD<0.5  (1)description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'3.0≦f23/f  (2)description='In-line Formulae' end='tail'

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Patent Owner(s)

  • OLYMPUS CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Imamura, Masahiro Tokyo, JP 57 414
Nakagawa, Koji Kanagawa, JP 82 1350
Nishio, Akinori Tokyo, JP 36 247
Satori, Tomoyuki Kanagawa, JP 36 378

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