
EF-Mount Lens/Full-Frame Format Aperture Range: f/2.8 to 22. Three Aspherical & Two UD Elements Subwavelength & Air Sphere Coatings. Ring-Type Ultrasonic Motor AF System Internal Focus; Full-Time MF Override. Fluorine Coating on Exposed Elements Dust- and Water-Resistant Construction. Rounded 9-Blade Diaphragm





