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

Wide-Angle Lens
Ideal for Landscape Photos
Super-UD Glass Elements
Filter Diameter: 77mm
This exciting zoom lens provides ultra wide-angle coverage. 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.
Excellent optical quality and true wide-angle coverage with select digital SLRs.
Superior AF performance and speed, with full-time manual focus by simply turning ring
Relatively compact size and light weight for an ultra-wide zoom lens
Inner focusing system (no front element rotation); length doesn't change if zoomed
Circular aperture design - natural highlights, even stopped down two stops
Electronic diaphragm - manually-set apertures stay constant from f/ 4.5 thru f/22
EF-S lens mount - exclusively for EOS 20D and Digital Rebel bodies