85mm f/1.2 Focal Length & Maximum Aperture/ 2.79 Ft. Minimum Focusing Distance/ 0.12x Maximum Magnification/ 13 Elements In 9 Groups Lens Construction/ 82mm Filter Size Diameter/ 9 (Circular) Aperture Blades/ Dust And Weather-Resistant/ Vibration Shock Resistance/ Fluorine Coating/ Black Finish