a camera has a rotary operation member , a detection unit , a photographing data setting circuit , and a pulse signal generation unit . the rotary operation member is exposed from a plurality of portions of the camera to be able to be operated from a plurality of directions . the detection unit detects a rotation of the operation member from a predetermined portion and generates a detection signal . the pulse signal generation unit generates a pulse signal in accordance with rotation of the rotary operation member . the photographing data setting circuit sets predetermined photographing data in accordance with the detection output from the detection unit on the basis of the pulse output from the pulse signal generation unit , thus setting and storing a plurality of photographing data .