Covering a versatile wide-angle focal length range, the RF 15-35mm f/2.8L IS USM from Canon is also characterized by its bright f/2.8 constant maximum aperture.
RF-Mount Lens/Full-Frame Format.
Aperture Range: f/2.8 to f/22.
Three Aspherical Elements.
Two Ultra-Low Dispersion Elements.
Air-Sphere and Fluorine Coatings.
Nano USM AF System.
Optical Image Stabilizer.
Customizable Control Ring.
Rounded 9-Blade Diaphragm.