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