The EF 14mm f/2.8L II USM Lens from Canon offers a bright maximum aperture and provides an ultra wide-angle view with the shortest focal length in the line-up of L-series lenses. Its diagonal angle of view is an impressive 114° - anything larger would be a fisheye lens.

-EF Mount L-Series Lens
-Aperture Range: f/2.8-22
-Two UD and Two Aspherical Elements
-Ultrasonic Autofocus Motor
-Manual Focus Override
-Truly Circular Diaphragm
-Moisture Proof and Dustproof Sealing
-Minimum Focus Distance: 7.9"
-Rear Gelatin Filter Holder
-Built-in Lens Hood