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