The exacting professionals ultra wide-angle lens the EF 14mm f/2.8L II USM uses UD and aspherical elements for paramount image quality and a maximum f/2.8 aperture ensures great low light performance. Canons ring USM auto focus system employs ultra-sonic frequency vibrations for fast accurate and virtually silent operation with excellent holding torque. The EF 14mm f/2.8L II USM combines precision optics with unsurpassed build quality reliability and ease of use. Dust and moisture seals offer advanced protection from the elements even in harsh weather conditions. Features an integrated petal hood to protect the front lens element improve contrast and prevent vignetting Comes with lens cap and soft case