Zoom lens and image pickup device including the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9146387
APP PUB NO 20140268366A1
SERIAL NO

14198684

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Abstract

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A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a positive refractive power, and is configured to move the second lens unit, the third lens unit, and the fourth lens unit during a zooming operation to change an interval between adjacent lens units. A moving amount of the second lens unit during a zooming operation from a wide angle end to a telephoto end, a focal length of the second lens unit, and transverse magnification of the third lens unit at the wide angle end and the telephoto end are individually set appropriately.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shinohara, Kenji Utsunomiya, JP 46 231

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