The Canon EF-S 10-22 f/3.5-4.5 USM is a zoom lens that gives you wide-angle coverage. It comes with a focal length range of approximately 16 to 35mm in 35mm format, allowing you to take photos with outstanding image quality. Thanks to its three aspheric lenses and single low-dispersion (UD) glass element, you can take photography to new levels and express yourself more freely. The ring-type USM works together with the camera's other settings to provide ultra-fast, silent automatic focusing - with full manual override available at any time. The Canon EF-S 10-22 mm USM lens is designed for use with digital SLR cameras.