SIGMA 500mm Mirror lens.
For Sale. SIGMA 500mm Mirror lens for use on Nikon f-mount cameras - film or digital. This is a unique, manual focus lens that is fun to experiment with. Included is the lens, lens hood, lens caps, carry case and drop-in filter with multiple coloured lenses for use with Black & White film etc. Everything is also in excellent condition. Selling to reduce my photography collection. Genuine enquiries only please.