A real image projection system comprising two or more optical surfaces of revolution, with at least one comprising {HEAD ~ an aspheric surface} of {TAIL ~ revolution} 
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A real image projection system comprising two or more optical surfaces of revolution , with at least one comprising { HEAD ~ an aspheric surface } of { TAIL ~ revolution }
OTH 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