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