A photographing apparatus, such as may be used with diagnostic equipment, in which exposed films can be directed either to a film receiving magazine or automatically set to a following automatic processing station. The film receiving magazine is replaceable by a dummy magazine having the same dimensions. If the dummy magazine is employed, films received therein are automatically passed through a conveying mechanism to the following processing station. A detection is made as to which of the film receiving magazine and dummy magazine is employed, and operations of the apparatus controlled accordingly.