EF-Mount Lens/Full-Frame Format
Aperture Range: f/2.8 to f/32
One Fluorite Element & Five UD Elements
Air Sphere Coating
Ring-Type Ultrasonic Motor AF System
Optical Image Stabilizer
Internal Focus, Focus Range Limiter
Weather-Sealed Design, Fluorine Coating
Detachable, Rotatable Tripod Collar
Rounded 8-Blade Diaphragm