Amazon.com : Canon EF-S 17-55mm f/2.8 IS USM Lens for Canon DSLR Cameras : Camera Lenses : Camera &
Designed to meet consumer demands for a fast EF-S zoom lens, the EF-S 17-55mm offers image quality on par with Canon's highly regarded L-series lenses. The lens features a large circular aperture that produces a shallow depth of field, creating background...