This vintage Bausch & Lomb 255mm E.F. f/6.3 Tessar II b large format barrel lens AF5452 has a 63mm rear thread diameter. It does not come with a mounting ring. There are a couple of scuffs, scratches, and some light discoloration on the barrel's exterior. Its aperture adjustment is smooth and its glass is free of any fungus, haze, or separation to its elements.
