A shutter device for use in an imaging apparatus including a mirror that can move back and forth in a photographic optical path, the shutter device comprising: a shutter plate formed with an aperture through which a photographic light flux passes; a shutter blade (41, 42) configured to close and open the aperture; a blade lever configured to rotate, thereby being coupled with the shutter blade; a blade return spring configured to urge the blade lever in a direction in which the shutter blade opens the aperture; a drive lever configured to rotate around a rotation shaft of the blade lever to drive the blade lever; a blade drive spring configured to urge the drive lever; a mirror lever configured to drive the mirror; a mirror lever drive spring configured to urge the mirror lever; a charge cam member configured to rotate to charge the mirror lever drive spring and the blade drive spring; and a hold cam member configured to rotate to switch between a state in which the blade lever is held so that the shutter blade closes the aperture and a state in which holding of the blade lever is released, wherein the hold cam member has a hold cam portion formed thereon, the hold cam portion coming into contact with the blade lever to hold the blade lever so that the shutter blade closes the aperture, characterized in that the charge cam member has a first cam portion and a second cam portion formed thereon, wherein the first cam portion comes into contact with the mirror lever, and the second cam portion comes into contact with the drive lever; wherein the charge cam member and the hold cam member are arranged such that when the charge cam member rotates one turn, the hold cam member also rotates one turn, wherein when the charge cam member and the hold cam member rotate one turn, the shutter device is arranged to change to a first state, a second state, and a third state in this order, wherein in the first state, the charge cam member is arranged to charge the mirror lever drive spring and the blade drive spring, so that the hold cam member holds the blade lever, wherein in the second state, the charge cam member is arranged to release charging of the mirror lever drive spring and to charge the blade drive spring, so that the hold cam member releases holding of the blade lever, and wherein in the third state, the charge cam member is arranged to release charging of the mirror lever drive spring and to release charging of the blade drive spring, so that the hold cam member releases holding of the blade lever. a shutter plate formed with an aperture through which a photographic light flux passes; a shutter blade (41, 42) configured to close and open the aperture; a blade lever configured to rotate, thereby being coupled with the shutter blade; a blade return spring configured to urge the blade lever in a direction in which the shutter blade opens the aperture; a drive lever configured to rotate around a rotation shaft of the blade lever to drive the blade lever; a blade drive spring configured to urge the drive lever; a mirror lever configured to drive the mirror; a mirror lever drive spring configured to urge the mirror lever; a charge cam member configured to rotate to charge the mirror lever drive spring and the blade drive spring; and a hold cam member configured to rotate to switch between a state in which the blade lever is held so that the shutter blade closes the aperture and a state in which holding of the blade lever is released, wherein the hold cam member has a hold cam portion formed thereon, the hold cam portion coming into contact with the blade lever to hold the blade lever so that the shutter blade closes the aperture, characterized in that the charge cam member has a first cam portion and a second cam portion formed thereon, wherein the first cam portion comes into contact with the mirror lever, and the second cam portion comes into contact with the drive lever; wherein the charge cam member and the hold cam member are arranged such that when the charge cam member rotates one turn, the hold cam member also rotates one turn, wherein when the charge cam member and the hold cam member rotate one turn, the shutter device is arranged to change to a first state, a second state, and a third state in this order, wherein in the first state, the charge cam member is arranged to charge the mirror lever drive spring and the blade drive spring, so that the hold cam member holds the blade lever, wherein in the second state, the charge cam member is arranged to release charging of the mirror lever drive spring and to charge the blade drive spring, so that the hold cam member releases holding of the blade lever, and wherein in the third state, the charge cam member is arranged to release charging of the mirror lever drive spring and to release charging of the blade drive spring, so that the hold cam member releases holding of the blade lever.