Filter Size: 67mm Equivalent to a 28-135mm lens, this new EF-S 17-85 f4.0-5.6 lens brings true wide-angle to tele coverage to EOS 20D and 300D shooters. It has Canon's Image Stabilization system, allowing safe hand-holding at speeds up to three stops slower than otherwise possible. And of course, it's optically optimized for digital SLRs. A ring-type USM means both fast and sil...
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