Projection zoom lens and projection type display device

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United States of America Patent

PATENT NO 8896929
SERIAL NO

14263312

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Abstract

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A negative first lens group, a positive second lens group, a negative third lens group, a positive fourth lens group, a negative fifth lens group, and a positive sixth lens group are disposed in this order from the magnification side. The reduction side is made telecentric. While changing magnification, the second lens group through the fifth lens group are moved, and the first lens group and the sixth lens group are fixed. Predetermined conditional expressions are satisfied.

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Patent Owner(s)

  • FUJIFILM CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amano, Masaru Saitama-ken, JP 82 294
Baba, Tomoyuki Saitama-ken, JP 41 556
Nagahara, Akiko Saitama-ken, JP 56 365

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