Ultra-wide angle lenses have always been in demand by architectural, corporate, and other top pro photographers. Its diagonal angle of view is an impressive 114°-anything larger would be a Fisheye lens. It has a built-in lens hood. The lens uses a rear focusing system, high-speed CPU, and a powerful ring-type USM. This lens continues the proud tradition of superior clarity optics found in L-series Canon lenses.

The-digital=picture.com Review:
http://the-digital-picture.com/Reviews/Canon-EF-14mm-f-2.8-L-USM-Lens-Review.aspx

PBase Samples:
http://www.pbase.com/cameras/canon/ef_14_28u