Tamron 500mm f8 SP Tele Macro BBAR MC (55BB) - Lens

Manual focus mirror long telephoto lens introduced by Tamron for their Adaptall system in 1983. Updated version of the 55B. Improved optics but lacking the tripod collar, sliding detachable lens hood and the BW filters (fits the old ones, just didnt come with a set). Has a fixed aperture and uses rear-mounted 30.5mm filters. Capable of a 1:3 reproduction ratio. Metal body available in black.

• Tamron 500mm f8 SP Tele Macro BBAR MC (55BB) (8 elements, 5 groups)
• Minimum focus distance: 1.7m
• Aperture: Fixed, f8
• Size: 90 x 85mm
• Weight: 595g (w/ C/Y adapter)