The real image projection system 26, further comprising {HEAD ~ means} for adjusting a position of {TAIL ~ said object} 
The real image projection system 26 , further comprising { HEAD ~ means } for adjusting a position of { TAIL ~ said object }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL