Imaging apparatus and focusing control method

Details Imaging apparatus and focusing control method Imaging apparatus and focusing control method

2011-08-30

2011-08-30

Perkey, W. B. (Department: 2862)

Photography

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

Reliability of focus/distance signal

C396S121000

Reexamination Certificate

active

08009975

ABSTRACT:
An imaging apparatus sets a main area and a plurality of subareas around the main area in an image obtained from an image sensor, and acquires each focusing state and each in-focus point based on the each focusing state of the main area and the plurality of subareas in an image obtained from the image sensor at each of a plurality of focus lens positions while moving a focus lens. If the focusing state of the main area does not satisfy a predetermined condition, the imaging apparatus performs focusing control using the focusing state of the main area and a focusing state of a subarea having an in-focus point located within a predetermined range from the in-focus point of the main area among the plurality of subareas.

REFERENCES:
patent: 2007/0263997 (2007-11-01), Hirai et al.
patent: 11-215426 (1999-08-01), None
patent: 2000-307932 (2000-11-01), None
JP-2000-307932 Machine Translation available from JPO website.

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