AF 50mm f2.8 Macro a compatible lens. 35mm equivalent focal range of 75mm when used on a100. Suitable for use on either Sony Digital or Film Minolta SLR's. Reproduces subject at lifesize (1:1). Includes Front Cap (55mm), Back Cap, and Lens Hood. Dimensions 71.5mm (DIA) x 60mm (H). Weight 295g.