By way of example, a five lens system can perform {HEAD ~ magnification functions} by producing {TAIL ~ distortion} that expands the image in the center of the field of view and compresses the image in the periphery of the field of view 
by producing
By way of example , a five lens system can perform { HEAD ~ magnification functions } by producing { TAIL ~ distortion } that expands the image in the center of the field of view and compresses the image in the periphery of the field of view
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL 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