IMAGE PICKUP APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM

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IMAGE PICKUP APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM

This abstract first appeared for US patent application 18760252 titled 'IMAGE PICKUP APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM

Original Abstract Submitted

An image pickup apparatus includes an image sensor having a plurality of focus detecting pixels configured to receive light beams that have passed through different pupil partial regions in an imaging optical system, a first focus detector configured to acquire a defocus amount of a first optical system based on a pair of signals from the focus detecting pixels, a second focus detector configured to acquire a defocus amount of a second optical system based on a pair of signals from the focus detecting pixels, and an alert unit configured to issue an alert to prompt adjustment of the first optical system or the second optical system in a case where a difference between the defocus amount of the first optical system and the defocus amount of the second optical system is larger than a first predetermined value.