Canon EF-S 10-22mm f/3.5-4.5 USM Lens

The Canon EF-S 10-22mm f/3.5-4.5 USM is an exciting zoom lens that provides ultra wide-angle coverage to Canon DSLRs that are compatible with EF-S lenses such as the EOS 20D, 30D, 40D, 50D 60D, 7D and Digital Rebel SLRs. Equivalent to a 16-35mm zoom, it offers excellent performance and optics designed from the ground-up for digital SLR use. Three Aspherical lens elements, plus a Super-UD element, assure image quality. Its ring-type USM means fast and silent AF along with full-time manual focus. It focuses as close as 9.5 inches. AL3 Tech LogoCA Tech LogoFT-M Tech LogoI/R Tech LogoS-UD1 Tech LogoUltrasonic

Specifications
Focal Length & Maximum Aperture	10 - 22mm; 1:3.5-4.5
Lens Construction	13 elements in 10 groups
Diagonal Angle of View	107 degrees 30' - 63 degrees 30'
Focus Adjustment	Inner focusing system, with focusing cam
Closest Focusing Distance	0.24m / 0.79 ft.
Zoom System	Ring USM
Filter Size	77mm
Max. Diameter x Length, Weight	3.3" x 3.5", 13.6 oz. / 83.5 x 89.8mm, 385g