EF Mount L-Series Lens/Full-Frame Format
One Fluorite and One Super UD Element
Air Sphere and Fluorine Lens Coatings
Ring-Type USM AF Motor, Internal Focus
Optical Image Stabilizer with 3 Modes
Rotating Zoom Ring & Torque Adjustment
Weather-Sealed Design
Detachable, Rotatable Tripod Collar
Rounded 9-Blade Diaphragm

Includes:
E-77 II 77mm Lens Cap
Lens Dust Cap E (Rear)
ET-83D Lens Hood
LZ1326 Lens Case
Tripod Collar
1 Year Canon USA Manufacture's Warranty