Canon EF 16-35mm F2.8L III USM Lens - Black

Canon EF 16 - 35mm f/2.8L III USM Lens superior image quality from an ultra-wide-angle zoom that also features a maximum aperture of f/2.8, for low-light performance, Compatible with DSLR Canon Cameras & EOS M
A range of extreme to moderate wide-angle focal lengths in a single high-performance zoom lens. Well suited for landscape, architectural and interior photography, when you need to fit more into the frame and create a dramatic perspective.
Advanced optical construction delivers superb sharpness and very low levels of optical distortion. Two large-diameter, double-surface aspherical GMo lenses and a single-ground aspherical lens deliver high image quality throughout the zoom range
Large f/2.8 maximum aperture at all zoom positions, ideal for photojournalists shooting handheld in low levels of available light. The lens' constant aperture remains fixed as the lens is zoomed, so your exposures won't change as you recompose a scene
The L-Series' construction inspires confidence and is built to withstand the rigors of professional use. Fluorine coatings help prevent dirt from sticking to lens elements and make them easier to clean.