" http://www.amazon.com/gp/product/B0002Y5WXE?tag=httpblogtrave-20
10-22mm wide-angle zoom lens with f35-45 maximum aperture for EOS digital SLR cameras
Superior AF performance and speed with full-time manual focus with the turn of a ring
Close focusing to 95 inches fills the frame with subjects as small as 36 x 54 inches
Circular aperture design produces natural highlights
1-year warranty
Canon EF-S 10-22mm f/3.5-4.5 USM SLR Lens for EOS Digital SLRs"