Ultra-Wide Zoom EF 16-35mm f/2.8L II USM

EF 16-35 mm f/2.8L USM II high performance, waterproof, ultra wide-angle Canon l-series lenses. It is specifically improved edge for professional and amateur photographers to this end should meet the strict requirements-to-edge of the image quality has been designed. It is 3 aspherical lens elements, high-precision each other types of: ground, replication and combining original EF's 16 than a better image quality-35mm f/2.8L USM for features. The circular aperture wide apertures when shooting in a beautiful natural background is unavailable (dimmed). Other features include an internal focus ring type USM (ultra sonic monitor), and quickly and quietly autofocusing new algorithm.