RF-Mount Lens/Full-Frame Format Aperture Range: f/4.5-7.1 to f/32-54 One Super UD Element, Six UD Elements Dual Nano USM AF System Optical Image Stabilizer Weather-Sealed Design, Fluorine Coating Customizable Control Ring Rotating Zoom Ring, Torque Adjustment Rounded 9-Blade Diaphragm Compatible with RF Extenders