{TAIL ~ Third optical surface} 16100 may be disposed in {HEAD ~ communication} with a third support member 16110 
{ TAIL ~ Third optical surface } 16100 may be disposed in { HEAD ~ communication } with a third support member 16110
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH