An endoscope scope is provided with a generation unit that photographs a subject and generates moving image data and still image data, a reception unit that receives a transmission instruction for the still image data, a transmission unit that wirelessly transmits the still image data, the moving image data, and instruction information to instruct prohibition of wireless transmission by another wireless device, and a transmission control unit that causes the instruction information to be transmitted and then the still image data to be transmitted when receiving the transmission instruction.