Canon EF 16-35mm F/2.8L ll USM Ultra-Wide Zoom Lens for Canon EF Cameras

Versatile 16-35mm ultra-wide zoom with a constant f/2.8 maximum aperture for improved low-light performance and depth-of-field control. Optical construction features 3 high-precision aspherical lens elements to deliver superior image quality. Closest focusing distance: 0.92 feet. A circular aperture design provides natural-looking background blur at wider apertures. Fast, quiet autofocus is achieved with a ring-type USM, and the lens employs internal focusing for stable handling. Physical dimensions: 3.5 inches in diameter and 4.4 inches long. Includes a 1-year warranty.