Canon EF-S 17-55mm f/2.8 IS USM Lens for Canon DSLR Cameras
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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 blur that draws special attention to the photographic subject. The lens construction, meanwhile, includes UD and aspherical elements that deliver impressive image quality throughout the entire zoom range. And thanks to the Image Stabilizer lens groups–which shift to compensate for camera shake–the image appears crisp and clear on the image plane, eve in dim light. Finally, the lens offers a ring-type ultra-sonic monitor (USM), inner focusing, and new AF algori (more…)