Canon EF 16-35mm f/4L IS USM
Professional quality and versatility: Canon's L Series lenses are world-renowned for their high-performance optics and rugged reliability. You'll really see the difference that pro-quality glass makes with this 16-35mm f/4 zoom. It delivers impressive wide-angle shooting on full-frame cameras such as the Canon EOS 5d Mark III . Use it to take expansive photos of outdoor nature scenes, or fit a large group of people into a single frame.