Leitz Summicron-R 1:2/50Leitz Summicron-R 1:2/50Leitz Summicron-R 1:2/50Leitz Summicron-R 1:2/50Leitz 50mm f/2 Summicron-RLeitz Summicron-R 1:2/50Leitz 50mm f/2 Summicron-RLeitz Summicron-R 1:2/50