Canon EF 11-24mm f/4L USM Lens

Product Highlights

EF-Mount Lens/Full-Frame Format
Aperture Range: f/4 to f/22
One Super UD and One UD Element
Four Aspherical Elements
SWC, Air Sphere, and Fluorine Coatings
Ring-Type Ultrasonic Motor AF System
Weather-Sealed Construction
Rounded 9-Blade Diaphragm