1. An image capture apparatus comprising, a finder optical system that includes an imaging surface of an image-capturing lens and a display device configured to transmit light forming an optical image and to display information; an acquiring unit configured to acquire a first image that is a combined image of the optical image formed on the imaging surface and the information displayed by the display device; and a processing unit configured to perform predetermined image processing using a second image that excludes data of a pixel having a display color of the information from pixels included in a predetermined area of the first image, wherein the predetermined image processing is subject detection processing or subject tracking processing that uses characteristic colors of pixels included in the second image, and wherein, when a difference between a position of the predetermined area and a position of the information in the first image is a predetermined value or more, the processing unit performs the predetermined image processing using an image that does not exclude data of a pixel having the display color of the information.