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> >> Schneider Componon-S 80mm f/5.6 > > > > This is totally incorrect. Unlike the Rodagon and El-Nikkor 80mm lenses, the > > Schneider is not rated by the manufacturer to cover 6x7 (it covers 6x6 max). > > Image circle is not strictly determined by focal length. For example for > > 6x9, Schneider uses a 100mm lens and the others use 105mm. > > That's funny; the Schneider Componon I use for 6x9 is a 105mm. > > David "unless whoever engraved the lens is lying" Nebenzahl > The current version is the Schneider Componon-S 100mm f5.6. Perhaps you have the older Componon (no S). That just confirms that focal length does not directly determine covering power (image circle) in enlarging lenses. The 100mm has a slightly wider angle of view and still handles up to 6x9.
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