A first surface of the first scanning lens is formed with a spherical surface, a second surface of the first scanning lens and {HEAD ~ third and fourth surfaces} of the second scanning lens are formed with {TAIL ~ an a spherical toric surface} having a rotating axis in the scan direction 
are formed with
A first surface of the first scanning lens is formed with a spherical surface , a second surface of the first scanning lens and { HEAD ~ third and fourth surfaces } of the second scanning lens are formed with { TAIL ~ an a spherical toric surface } having a rotating axis in the scan direction
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 HEAD OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH