Canon EF-S 10-22mm f/3.5-4.5 USM provides ultra wide-angle coverage to the EOS 20D and Digital Rebel shooter. This lens is equivalent to a 16-35mm zoom and offers excellent performance and optics. It is equipped with three Aspherical lens elements, plus a Super-UD element that assure image quality. Its ring-type USM results in fast and silent AF along with full-time manual focus. Canon EF-S 10-22mm f/3.5-4.5 USM focuses as close as 9.5 inches(fill the frame with subjects as small as 3.6 x 5.4 inches). Canon EF-S 10-22mm f/3.5-4.5 USM offers users optical quality and true wide-angle coverage with select digital SLRs. This lens also provides Superior AF performance and speed, with full-time manual focus by simply turning ring. With Canon EF-S 10-22mm f/3.5-4.5 USM Inner focusing system, there is no front element rotation) and the length doesn’t change if zoomed. This lens has a Circular aperture design.

Canon EF-S 10-22mm f/3.5-4.5 USM Lens has a focal Length 10 - 22mm & Maximum Aperture of 1:3.5-4.5. The Lens Construction consists of 13 elements in 10 groups. Canon EF-S 10-22mm f/3.5-4.5 USM can have a diagonal angle of view of 107° 30’ - 63° 30’ and provides users with a more natural angle of view and perspective. The closest focusing distance for Canon EF-S 10-22mm f/3.5-4.5 USM is approx 0.24m / 0.79 ft. This lens has a Ring USM Zoom system. Canon EF-S 10-22mm f/3.5-4.5 USM features Inner focusing system, with focusing cam focus adjustment method. It has a filter size of 77mm. The Canon EF-S 10-22mm f/3.5-4.5 USM measures Max. Diameter x Length 3.3" x 3.5", 13.6 oz. / 83.5 x 89.8mm and weighs 385g. The Canon EF-S 10-22mm f/3.5-4.5 USM Lens comes with a one year warranty.