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