The Sony SAL-50M28 50mm f/2.8 Macro Lens is versatile as a standard lens and suitable for general purpose photography. With a minimum focusing distance of only 7.9", this lens provides a magnification ratio of 1:1 (life-size) and uses a double-floating element design to correct aberrations. Its focus-range limiter and focus-hold button offer comfortable operation, while its circular aperture provides a natural looking background.
Construction 6 Groups/7 Elements Angle of view 47° F stop range 2.8-32 Closest Focusing Distance .65' Maximum Magnification 1:1 Filter Size 55mm Dimensions (Length x Diameter) 2.4" (60mm) x 2.8" (71.5mm) Weight 10-5/16 oz. (295 grams)