By way of example, {HEAD ~ a five lens system} can perform {TAIL ~ magnification functions} by producing 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 way of example , { HEAD ~ a five lens system } can perform { TAIL ~ magnification functions } by producing 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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL 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 OTH OTH OTH