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