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