Focus detection apparatus and control method thereof
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Apr 4, 2016
filing date -
Apr 9, 2015
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Abstract
A focus detection apparatus comprises an image capturing unit including a plurality of pixels for detecting a pair of image signals of an object, a setting unit which sets, in the image capturing unit, focus detection areas in which pixel lines including a plurality of pixels aligned in a first direction are arranged in a second direction perpendicular to the first direction, a signal generation unit which generates the pair of image signals from outputs of the pixel lines of the focus detection areas, and a focus detection unit which determines an amount of defocus of an imaging optical system by using the pair of image signals. The setting unit is configured to arrange the pixel lines such that the pixel lines are out of phase between adjacent focus detection areas.
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