Patent ID: 7658559

Claim:
A lens-shutter coupling unit comprising: a lens holder that is movable in a direction of an optical axis, having a lens holder main body and a lens fixing frame; a lens group that is attached to the lens fixing frame; a shutter unit that is fixed to the lens holder; a light quantity control member that is disposed within the shutter unit; and a driving part that drives to move the light quantity control member so that the control member may perform a light quantity control operation, wherein the shutter unit is formed with an opening in a position that faces the light quantity control member, the lens fixing frame of the lens holder is inserted into the opening, the lens group attached to the lens fixing frame has a protruding part that protrudes toward the light quantity control member of the shutter unit from the lens fixing frame, and the driving part is disposed so as to surround the protruding part radially, and an entirety of a lens closest to the light quantity control member in the lens group is located between two ends of the driving part in the direction of the optical axis of the lens group.