In some embodiments, each aperture array is a second processing optic that comprises {HEAD ~ another plurality} of {TAIL ~ optical elements} 
In some embodiments , each aperture array is a second processing optic that comprises { HEAD ~ another plurality } of { TAIL ~ optical elements }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL