The light beam shaping module comprises a first cylindrical lens and {TAIL ~ a second cylindrical lens} for respectively converging {HEAD ~ the light beams} in two directions 
The light beam shaping module comprises a first cylindrical lens and { TAIL ~ a second cylindrical lens } for respectively converging { HEAD ~ the light beams } in two directions
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH