Features
• EF-Mount Lens/Full-Frame Format
• Aperture Range: f/2.8 to f/22
• Three Aspherical and Two UD Elements
• SWC, Air Sphere, and Fluorine Coatings
• Ring-Type Ultrasonic Motor AF System
• Weather-Sealed Construction
• Rounded 9-Blade Diaphragm
Features
• EF-Mount Lens/Full-Frame Format
• Aperture Range: f/2.8 to f/22
• Three Aspherical and Two UD Elements
• SWC, Air Sphere, and Fluorine Coatings
• Ring-Type Ultrasonic Motor AF System
• Weather-Sealed Construction
• Rounded 9-Blade Diaphragm