The Super Angulon-R 21mm made between 1964 and 1968 was a non-retro design and required the mirror on the first model Leicaflex to be locked up. The lens was replaced in 1968 with a retro design that could be used on any R mount camera. -dan c. At 02:35 PM 22-08-04 -0400, ADavidhazy wrote: >>> ... . Somebody, maybe Nikon, did, however, make a short focal >>> length lens that required the locking-up of the mirror to allow the >>> attachment of the lens to the body - meaning the SLR became a camera >>> that required an auxiliary optical finder for use. >> >>Many of the fisheye models, at least; checking the Moose book shows at >>least the 8mm f8, 7.5mm f5.6, 10mm f5.6, 6mm f5.6. The 6mm f2.8 and 8mm f2.8, >>however, work with the mirror in place, and actually let you view the >>image through the viewfinder! > >David, > >Right. That is what I meant ... the rule has been to make the wide angle lenses >work with the mirror down allowing viewing through the lens. Did you find "the" >exception to the rule I was trying to decide if anyone ever made and that is a >wide angle lens for an SLR that required that the mirror be locked up? I really >am not sure _anyone_ made such a beast but maybe. I know Canon made a 38mm that >could only be used on the Pellix since it's mirror does not move and thus has >smaller space requirements. But I am trying to identify a 21 or a 24 or >something that would require mirror lock-up. > >cheers, >andy > >
