Patent ID: 7839449

Claim:
An apparatus for controlling an aperture of a camera, comprising: a first determining device that determines an aperture range for a normal shooting which secures predetermined optical capability; a second determining device that determines an aperture range including an aperture out of the aperture range for the normal shooting; and a controlling device that controls a diaphragm mechanism to set an aperture within the aperture range determined by said first determining device for a shooting in a high-resolution mode, and controls the diaphragm mechanism to set an aperture within the aperture range determined by said second determining device for a shooting in a low-resolution mode, wherein the low-resolution mode is a mode for storing and recording an image data, taken using said camera, as an image file in a storage device, and a file size of the image file stored in the low-resolution mode is smaller than a file size of an image file stored in the high-resolution mode, wherein a thinning out rate controls a number of pixels associated with the low-resolution mode, the low-resolution mode is provided in plural levels corresponding with the thinning out rate which is changeable, and an area associated with a deterioration of an image changes corresponding with the thinning out rate.