Fixed Focal Length Lens, for Digital SLR, Focus: Autofocus, Max Aperture: f/2.8, 14 Elements in 11 Groups, Weight: 22.8 oz
Canon Ultra-wide Angle Lens Ef 14mm f/2.8l II Usm - The lens uses a rear focusing system, high-speed CPU, and a powerful ring-type USM with revised electronics for faster, more responsive AF. This lens continues the proud tradition of superior clarity optics found in L-series Canon lenses.