a changing step of changing {TAIL ~ the offset value} based on the image blur correction amount and {HEAD ~ the shake level} 
a changing step of changing { TAIL ~ the offset value } based on the image blur correction amount and { HEAD ~ the shake level }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD