Image pickup apparatus for performing focus detection in which an influence of a focus shift caused by an aberration is suppressed, lens unit, and methods of controlling image pickup apparatus and lens unit
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United States of America Patent
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Apr 26, 2016
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app pub date -
Apr 2, 2014
filing date -
Apr 5, 2013
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Abstract
An image pickup apparatus on which a lens unit is to be removably mounted includes an image pickup element, a first focus detection unit which performs a focus detection by a contrast detection method based on a signal output from the image pickup element, a second focus detection unit which performs a focus detection by a phase difference detection method based on a pair of image signals output from the image pickup element, and a control unit which performs a focus control based on an in-focus position detected by the first or second focus detection unit, and the control unit receives, from the mounted lens unit, first information related to a displacement of the in-focus position by the phase difference detection method and determines whether to use the second focus detection unit for the focus control according to the first information.
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