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| Electronics > Camera & Photo > Lenses |
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| Product Description In addition, the lens focuses as close as 11 inches (0.28mm), and offers both Canon's full-time manual focus and a powerful ring-type ultra-sonic monitor (USM) that produces fast and silent autofocus.The Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens is ideal for both film and digital SLR cameras, the lens offers three aspherical lens elements in addition to a Super UD (ultra-low dispersion) glass element, creating superior optics in all conditions. Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens + Deluxe Accessory Kit for EOS Digital SLR Cameras Shipping Weight: | ||||||||
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