1. A photography apparatus comprising: face detection means for detecting a face region in an input through image by fitting a model representing a human face to a face candidate region in the input through image, the model obtained by carrying out predetermined statistical processing on a plurality of images representing human faces, and the model representing the human face by one or more statistical characteristic quantities including a statistical characteristic quantity representing at least a face outline shape; exposure value determination means for determining an exposure value for photography of a still image, based on the face region having been detected; and photography means for carrying out the photography of the still image according to the exposure value having been determined.