Provided are a setting device, a setting method, a setting program, and a camera that are capable of preventing erroneous operations with compact configurations. A display unit is provided on an upper surface of a shutter speed dial. The display unit displays a dial plate image. The dial plate image includes an image picture of a lock release button. A rotation detection unit detects that the shutter speed dial is rotationally operated. A touch sensor detects that the lock release button is pressed. In a case where the shutter speed dial is rotationally operated while the lock release button is pressed, a shutter speed is switched.