Patent ID: 8130308

Claim:
An image capture device comprising: an optical viewfinder that optically displays incident light from a photographic subject; an image capture element that captures an image of the photographic subject; an image capture optical system that focuses the light from the photographic subject onto the image capture element; a reflection mirror that is provided between the image capture element and the image capture optical system and that directs the light from the photographic subject to either the optical viewfinder or the image capture element; a display unit that displays the image captured on the image capture element; an image capture mode switching section that switches between an optical viewfinder mode with photographic subject confirmation with the optical viewfinder and image capture, and an electronic viewfinder mode with photographic subject with a through image displayed on the display unit and image capture; a control unit that, when the electronic viewfinder mode is set, drives the reflection mirror so that light from the photographic subject is directed onto the image capture element and so that the image captured on the image capture element is displayed on the display unit at a specific interval of time as the through image; and an adjustment unit that adjusts, according to the image capture conditions during through image display, at least one of the through image display conditions during through image display and/or the main image capture conditions during main image capture, wherein, when a shutter speed during main image capture is shorter than a periodicity of through image read-out, the sensitivity, aperture number and shutter speed of the through image are the same as the sensitivity, aperture number and shutter speed during main image capture, and wherein, when the shutter speed during main image capture is slower than the periodicity of through image read-out, then the sensitivity is set by adding in the difference of the through image read-out periodicity subtracted from the shutter speed during main image capture, that is adding in a shortfall to the shutter speed.