Canon EF-S 17-55mm f/2.8 AF IS USM Lens
- This lens from Canon is designed to meet user demand for a fast EF-S zoom lens. It has a large circular aperture which produces a shallow depth-of-field, creating background blur that draws attention to the photographic subject. The lens construction includes UD and aspherical elements, which deliver impressive image quality throughout the entire zoom range. A 3-stop Image Stabilizer ensures shake free shots and clear, crisp images, even in dim light. With a Ring-type USM, inner focusing and new AF algorithms, this lens achieves autofocus quickly and quietly, and with full-time mechanical manual focusing, manually adjusting the focus is possible even in AF mode. Other key features of the Canon EF-S 17-55mm F/2.8 IS USM lens include minimum focusing distance of just 35cm, 77mm filer diameter, ultrasonic motor for fast, near-silent auto focus and a circular 7-blade diaphragm which helps produce attractive background blur.
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