Image of light in the vicinity of {TAIL ~ the focus} of the projection lens 68 is projected upside down and left side to be right side at the forward of {HEAD ~ projection lens} 68 
Image of light in the vicinity of { TAIL ~ the focus } of the projection lens 68 is projected upside down and left side to be right side at the forward of { HEAD ~ projection lens } 68
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH