Canon EF-S 17-55mm f/2.8 IS USM Lens for Canon DSLR Cameras

To meet user demands for a fast EF-S zoom lens Canon has specially designed a new lens with a large aperture of f/2.8 for select Canon Digital SLR cameras.* The large circular aperture 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. Image Stabilizer lens groups shift to compensate for camera movement so that the image appears steady on the image plane ensuring 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.

• 17-55mm wide-angle zoom lens with f/2.8 maximum aperture for Canon DSLR cameras


• AD and aspherical elements deliver impressive image quality through entire zoom range


• Image Stabilizer lens groups shift to compensate for image shake even in dim lighting


• Large circular aperture produces shallow depth of field; ring-type ultra-sonic monitor (USM)


• Measures 3.3 inches in diameter and 4.4 inches long; weighs 22.8 ounces; 1-year warranty

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Canon EF 70-200mm f/4 L IS USM Lens for Canon Digital SLR Cameras

Canon EF 70-200mm f/4L IS USM lens offers the highest possible optical quality with no change in aperture over the full focal range of the lens. This allows photographers to set exposure at the widest aperture and zoom all the way through to 200mm without having to decrease shutter speed. Developed for use with a Canon SLR camera this autofocus telephoto zoom lens offers optimized use with the Canon EOS series digital cameras. Of particular note Canon has introduced an image stabilizer (IS) that adjusts to meet the demands of professional photography. IS reduces dramatically the image blur caused by camera shake. Gyro sensors detect unwanted vibrations triggering the corresponding movement of a correcting lens group perpendicular to the optical axis. This alters the light path returning the image to its correct position on the sensor or film plane. For shooting immobile subjects Mode 1 corrects for movement in the image along both the horizontal and vertical axes. For shooting while panning horizontally to follow a moving subject Mode 2 turns off vertical correction and prevents the effect of dragging the subject back through the frame. The lens' Ring-type USM employs ultra-sonic frequency vibrations to drive auto focus with unrivalled speed and near-silent operation. A powerful CPU and improved AF algorithm contribute to speed performance. The EF 70-200mm f/4L IS USM includes distance metering information providing compatibility with the E-TTL II flash system of late model cameras such as the EOS-1D Mark II EOS-1Ds Mark II EOS 5D and EOS 400D. When used in conjunction with Canon's range of EX Speedlite flash units the lens passes distance information to the flash algorithm for markedly improved flash exposure metering. Includes Lens hood and soft pouch

• 70-200mm telephoto zoom lens with f/4 maximum aperture for Canon digital SLR cameras


• Fluorite UD lens elements produce excellent optical performance in resolution and contrast


• Ring-type ultra-sonic monitor (USM) for quick and quiet autofocusing; lightweight construction


• Image Stabilizer provides up to 4 stops of shake correction; water- and dust-proof construction


• Measures 3 inches in diameter and 6.8 inches long; weighs 26.8 ounces; 1-year warranty

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Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras

• 17-40mm ultra-wide-angle zoom lens with f/4 maximum aperture for Canon SLR cameras


• 3 aspherical lens elements and super UD glass element create superior optics in all conditions


• Powerful ring-type ultra-sonic monitor (USM) produces fast and silent autofocusing


• Focuses as close as 11 inches; supports screw-in 77mm filters or up to 3 gel filters


• Weather-resistant construction; measures 3.3 inches in diameter; 1-year warranty

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