The projecting optical system projects {HEAD ~ light} emanating from the luminous flux synthesizing {TAIL ~ means} on the screen 
The projecting optical system projects { HEAD ~ light } emanating from the luminous flux synthesizing { TAIL ~ means } on the screen
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH