Canon EF 50 mm f2.5 Macro, 9/8
Canon EF 50 mm f2.5 Macro. Lens structure (elements/groups): 9/8, Lens viewing angle, diagonal: 46°, Thread diameter: 2.66" (6.76 cm). Product color: Black. Filter size: 2.05" (52 mm), Weight: 9.88 oz (280 g). Magnification: 0.50x