500/5.6 HFT Tele-Tessar 5.6/500 500mm f5.6
Probably the smallest and fastest 500mm for medium format. See my article on this lens.
500/5.6 HFT Tele-Tessar 5.6/500 500mm f5.6
Probably the smallest and fastest 500mm for medium format. See my article on this lens.