The present invention has {TAIL ~ an object} to provide a shutter driving apparatus using a stepping motor to open and close the shutter sectors and capable of eliminating ripple motion of the sectors, thereby to obtain {HEAD ~ precise and correct exposure control} 
The present invention has { TAIL ~ an object } to provide a shutter driving apparatus using a stepping motor to open and close the shutter sectors and capable of eliminating ripple motion of the sectors , thereby to obtain { HEAD ~ precise and correct exposure control }
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