a reflector, arranged between {TAIL ~ the optical lens} and the second image lens, to reflect and change the direction of the second projecting beam to {HEAD ~ the second image lens} 
a reflector , arranged between { TAIL ~ the optical lens } and the second image lens , to reflect and change the direction of the second projecting beam to { HEAD ~ the second image lens }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD