A shutter device (113, 113a) includes a shutter plate (1) where an opening is formed, a light shielding member (2, 3) movable reciprocally between a closed state where the opening is closed and an open state where the opening is open, a motor (19), a drive member (11, 12, 111, 112) including a cam engaging portion (11b, 12b, 111b, 112b), rotatable in conjunction with the light shielding member, and a cam member (15-1, 15-2, 114, 115) that is to be driven by the motor to rotate, the cam member engages with the cam engaging portion, and includes a first cam surface (15ic, 114i, 115g) and a second cam surface (15hc, 114g, 115i), the first cam surface drives the drive member to move the light shielding member to the closed state, the second cam surface drives the drive member to move it to the open state.