Mounted in a Copal 3 shutter and on a Calumet lens board. This is a Rodenstock Sironar S 240/5.6 in Calumet clothing and it will cover 8X10(10X8 in UK) it is multi coated. This is NOT not the APO version Extremely nice condition setup, Two or three minor rub marks on the front ring. from lens cap? You really have to look to see them. No marks or fungus on or in glass. This is no tiny lens, weighing over two pounds including the board The shutter is working flawlessly, speeds are smooth, aperture and shutter blades show no oil or wear. Asking $350.00 which includes shipping and PP fees.