Focus adjusting apparatus and focus adjusting method

Details Focus adjusting apparatus and focus adjusting method Focus adjusting apparatus and focus adjusting method

2011-08-02

2011-08-02

Blackman, Rochelle-Ann J (Department: 2862)

Photography

With exposure objective focusing means, focusing aid, or...

Ambient light compensating

C396S102000, C396S121000, C396S241000, C396S505000, C348S345000, C348S342000, C348S363000, C250S201200

Reexamination Certificate

active

07991280

ABSTRACT:
There is provided an apparatus that includes a receiving unit configured to receive instructions for focus adjustment; an image-pickup unit configured to perform image-pickup of an object image input through a focus lens; a setting unit configured to set a focus detecting area to be used at a time of detection of a focus state of the focus lens; a light control unit configured to control an amount of light incident on the image-pickup unit; and a focus adjusting unit configured to detect a focus signal representing the focus state in the focus detecting area to move the focus lens based on the focus signal and a position of the focus lens corresponding to the focus signal.

REFERENCES:
patent: 6342922 (2002-01-01), Mizoguchi
patent: 2003-295040 (2003-10-01), None
patent: 4106485 (2008-06-01), None

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