Image capturing apparatus and control method thereof
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United States of America Patent
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Sep 9, 2014
Grant Date -
Jul 26, 2012
app pub date -
Jan 18, 2012
filing date -
Jan 25, 2011
priority date (Note) -
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Abstract
An image capturing apparatus comprises: an image sensor including multiple pixels, each having pupil-divided multiple photoelectric converters, a storage unit that stores the respective pupil-divided image signals, and a control unit, and an operation of adding the image signals on a pixel-by-pixel basis and outputting the resulting signal; a determination unit configured to determine a focus control area, using an image expressed by the image signal output from the image sensor; and a focus control unit configured to carry out focus control according to the phase difference detection method based on the pupil-divided image signals output from the pixels within the focus control area, wherein the control unit switches between an operation of individually outputting the pupil-divided image signals within the focus control area, and an operation of adding and outputting the pupil-divided image signals output from pixels outside of the focus control area on a pixel-by-pixel basis.
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