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