Highlights EF-Mount Lens/APS-C Format 80-160mm (35mm Equivalent) Aperture Range: f/1.8 to f/16 Four SLD Elements, Three FLD Elements One High-Refractive Index Element Super Multi-Layer Coating Hyper Sonic Motor AF System Fixed, Rotating Tripod Collar Rounded 9-Blade Diaphragm Price: 2500