A shutter device for use in an imaging apparatus having a rotatably supported 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, wherein the shutter plate is formed with a first shaft parallel to an optical axis of the photographic light flux; a shutter blade (41,42) configured to close and open the aperture; a drive lever configured to drive the shutter blade, wherein the drive lever is arranged to rotate around the first shaft to drive the shutter blade; a blade drive spring configured to urge the drive lever; a mirror lever configured to drive the mirror, wherein the mirror lever is arranged to rotate around a second shaft parallel to the first shaft to drive the mirror; a mirror lever drive spring configured to urge the mirror lever; and a charge cam member arranged to rotate around a third shaft, parallel to the first shaft, to charge the mirror lever drive spring and the blade drive spring, the charge cam member having a first cam portion and a second cam portion formed thereon, wherein the second cam portion is located closer to the shutter plate than the first cam portion, wherein the second shaft is located at a position that is closer to the axis of rotation of the mirror than the third shaft, and wherein the first shaft is located at a position that is further from the axis of rotation of the mirror than the third shaft; characterized in that: the first cam portion and the second cam portion are respectively formed at different portions in the direction of the third shaft of the charge cam member, and in a case where the charge cam member rotates, the first cam portion comes into contact with the mirror lever to drive the mirror lever to rotate in a first rotating direction to charge the mirror lever drive spring, and the second cam portion comes into contact with the drive lever to drive the drive lever to rotate in the first rotating direction to charge the blade drive spring. a shutter plate formed with an aperture through which a photographic light flux passes, wherein the shutter plate is formed with a first shaft parallel to an optical axis of the photographic light flux; a shutter blade (41,42) configured to close and open the aperture; a drive lever configured to drive the shutter blade, wherein the drive lever is arranged to rotate around the first shaft to drive the shutter blade; a blade drive spring configured to urge the drive lever; a mirror lever configured to drive the mirror, wherein the mirror lever is arranged to rotate around a second shaft parallel to the first shaft to drive the mirror; a mirror lever drive spring configured to urge the mirror lever; and a charge cam member arranged to rotate around a third shaft, parallel to the first shaft, to charge the mirror lever drive spring and the blade drive spring, the charge cam member having a first cam portion and a second cam portion formed thereon, wherein the second cam portion is located closer to the shutter plate than the first cam portion, wherein the second shaft is located at a position that is closer to the axis of rotation of the mirror than the third shaft, and wherein the first shaft is located at a position that is further from the axis of rotation of the mirror than the third shaft; characterized in that: the first cam portion and the second cam portion are respectively formed at different portions in the direction of the third shaft of the charge cam member, and in a case where the charge cam member rotates, the first cam portion comes into contact with the mirror lever to drive the mirror lever to rotate in a first rotating direction to charge the mirror lever drive spring, and the second cam portion comes into contact with the drive lever to drive the drive lever to rotate in the first rotating direction to charge the blade drive spring. the first cam portion and the second cam portion are respectively formed at different portions in the direction of the third shaft of the charge cam member, and in a case where the charge cam member rotates, the first cam portion comes into contact with the mirror lever to drive the mirror lever to rotate in a first rotating direction to charge the mirror lever drive spring, and the second cam portion comes into contact with the drive lever to drive the drive lever to rotate in the first rotating direction to charge the blade drive spring.