{TAIL ~ The eyepiece} can be brought to a photographing position which is within the extent of adjustment of {HEAD ~ the dioptry} 
{ TAIL ~ The eyepiece } can be brought to a photographing position which is within the extent of adjustment of { HEAD ~ the dioptry }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD