1. A photography apparatus comprising: photography means for obtaining an image representing a subject by photographing the subject, the photography means comprising imaging means for imaging the subject; illumination means for emitting an auxiliary light to the subject at the time of photography of the subject; processing control means for obtaining an actual image by carrying out actual photography of the subject with the photography means while reducing an amount of the auxiliary light in the case where a predetermined target has been detected in a preliminary image obtained by causing the photography means to carry out preliminary photography; and image processing means for adjusting luminance and/or gradation of a region of the predetermined target in the actual image.