A shutter device comprising a fixed member which has a plurality of
electrodes arranged on a surface, a light-transmitting region which is
provided in the fixed member, a light-shielding member which is able to
move between two positions where the light-transmitting region is closed
and opened, respectively, and which have a plurality of electret parts,
and a drive circuit which periodically applies a voltage to the
electrodes provided on the fixed member, thereby to generate an
electrostatic force acting on the electret parts of the light-shielding
member and to drive the light-shielding member.