The superposing optical system has a first superposing lens disposed between the second lens array and {HEAD ~ the color} separating and guiding {TAIL ~ optical system} and a second superposing lens having a convex lens included in the color separating and guiding optical system 
The superposing optical system has a first superposing lens disposed between the second lens array and { HEAD ~ the color } separating and guiding { TAIL ~ optical system } and a second superposing lens having a convex lens included in the color separating and guiding optical system
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH