{HEAD ~ Optical directing members} receive the optical signals from the various regions and direct {TAIL ~ the light} to respective ones of the cameras 
direct
{ HEAD ~ Optical directing members } receive the optical signals from the various regions and direct { TAIL ~ the light } to respective ones of the cameras
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH