A valve device includes a housing and a valve piston axially displaceable in a piston bore of housing. In the optical communication module, the plurality of lens areas are arranged such that the center points of the plurality of lens areas are located at the same distance from a point, and the single point and the plurality of points are located at the opposite sides with respect to the optical element. The image capturing apparatus is thereby capable of performing image capture with a dynamic range that takes into consideration the subject and the scene. The magnetic tape cassette has a rib for reducing a resistance when the roller of the detecting member passes through which is provided at a position corresponding to a recess and on a side of the front lid in the top surface of the body case.