Canon EF 16-35mm f/2.8L III USM Lens

Looking to take things up a notch, Canon's EF 16-35mm f/2.8L III USM Lens embraces a revamped optical design with modern coating technologies that promise improved outer and corner sharpness along with minimal distortion and enhanced peripheral illumination. A member of Canon's legendary L series, this full-frame 16-35mm delivers outstanding image quality and a professional-grade durability. {Key Features} - 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 {Overview} It also offers a fast and constant f/2.8 maximum aperture for consistent performance and light transmission throughout the zoom range. With the incorporation of two large diameter GMO dual surface aspherical elements and one ground aspherical elemen