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