35-150mm Focal Length/ 21 Elements, 15 Groups Optical Construction/ 9 (Circular Diaphragm) Aperture Blades/ 82mm Filter Size/ 13 " (Wide) / 33.5 " (Tele) Minimum Object Distance/ 1:5.7 (WIDE) / 1:5.9 (TELE) Maximum Magnification Ratio/ BBAR-G2 Coating/ Moisture-Resistant Construction And Fluorine Coating/ Black Finish