Imaging apparatus with AF optical zoom

Details Imaging apparatus with AF optical zoom Imaging apparatus with AF optical zoom

2007-08-02

2010-12-07

Tran, Nhan T (Department: 2622)

Television

Camera, system and detail

Optics

C348S347000, C348S349000, C348S351000, C348S356000

Reexamination Certificate

active

07847854

ABSTRACT:
A novel imaging apparatus capable of correcting a focus state by an AF detection value both simply and surely has been disclosed. The imaging apparatus comprises an auto-focus drive section for moving a lens, an AF processing section for calculating an AF detection value indicating the focus state from imaging data, a luminance processing section for calculating a luminance value from the imaging data, a correction section for calculating a corrected AF detection value by correcting the calculated AF detection value by the calculated luminance value, and a control section for controlling the auto-focus drive section based on the calculated corrected AF detection value. The imaging data is data not having been subjected to auto-exposure processing.

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