Fast 35mm wide-angle lens. With a minimum focusing distance of only 0.8 ft. (25cm), you can approach the subject closer and still obtain a more natural wide-angle effect. You can even obtain good background blur for portraits.

PhotoZone Review: http://photozone.de/8Reviews/lenses/canon_35_2/index.htm

The-digital-picture.com Review: http://www.the-digital-picture.com/Reviews/Canon-EF-35mm-f-2.0-Lens-Review.aspx

PBase Samples: http://pbase.com/cameras/canon/ef_35_2