{TAIL ~ The focus} of {HEAD ~ the projection lens} 68 is located between the second aperture 65 b and the projection lens 68 
{ TAIL ~ The focus } of { HEAD ~ the projection lens } 68 is located between the second aperture 65 b and the projection lens 68
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH