Patent ID: 7446808

Claim:
An image sensing apparatus, comprising: an image sensor that outputs an image signal of a subject; a display designating unit that determines whether an image display device is in an image display ON state, or said image display device is in an image display OFF state, said image display device displaying an image based on said image signal when said display device is in the image display ON state and said image display device not displaying an image when said display device is in the image display OFF state; a first control unit that adjusts a focus according to a focus evaluation value based on a high frequency component of said image signal, and a second control unit that changes reading manners of the image signal from said image sensor so that the image signal is read from a first image sensing area comprising a plurality of consecutive lines and including a focusing signed detecting area when said display designating unit determines that said image display device is in the image display OFF state and the image signal is read from a second image sensing area which is larger than said first image sensing area when said display designating unit determines that said image display device is in the image display ON state.