Image pickup apparatus and zoom lens

Details Image pickup apparatus and zoom lens Image pickup apparatus and zoom lens

2008-04-07

2008-12-16

Lester, Evelyn A. (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S684000, C359S685000, C359S686000, C359S687000, C359S688000, C359S689000, C359S690000, C359S691000, C359S692000, C359S713000, C359S714000, C359S715000, C359S716000, C359S717000, C359S740000, C396S120000, C396S125000, C396S147000

Reexamination Certificate

active

07466495

ABSTRACT:
An image pickup apparatus includes a zoom lens including at least two movable lens groups; an image pickup element that converts an optical image formed with the zoom lens into an electric signal; and an image processor that electrically corrects a lateral chromatic aberration to be generated at the zoom lens. The zoom lens satisfies Conditional Expressions (1) and (2) as follows,in-line-formulae description="In-line Formulae" end="lead"?−5.0<W_ate(X)/T_ate(X)<−0.2  (1)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?0.003<|Max_ate(10)/Himg |<0.03  (2)in-line-formulae description="In-line Formulae" end="tail"?where W_ate(X) is an aberration amount of the lateral chromatic aberration from the C-line to the g-line, at a wide-angle end, corresponding to a (X×10) % image height, T_ate(X) is an aberration amount of the lateral chromatic aberration from the C-line to the g-line, at a telephoto end, corresponding to a (X×10) % image height, Max_ate(X) is one of W_ate(10) and T_ate(10), the one having a larger absolute value, and Himg is a diagonal length of the image pickup element.

REFERENCES:
patent: 6594087 (2003-07-01), Uzawa et al.
patent: 7365911 (2008-04-01), Yamashita et al.
patent: 7372635 (2008-05-01), Morooka et al.
patent: 2007/0002460 (2007-01-01), Yamamoto et al.
patent: 2007/0070522 (2007-03-01), Sensui
patent: 2000-299874 (2000-10-01), None
patent: 2004-336106 (2004-11-01), None

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