Canon EF-S 17-55mm f/2.8 IS USM
Equivalent to a 28-135mm lens, this new EF-S lens brings true wide-angle to tele coverage to EOS 20D and Digital Rebel 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 silent AF, as well as full-time manual focus when in the AF mode.
Focal Length & Maximum Aperture: 17 - 85mm; 1:4-5.6Lens Construction: 17 elements in 12 groups
Diagonal Angle of View: 78 degrees 30' - 18 degrees 25'
Focus Adjustment: Inner focusing system, with focusing cam
Closest Focusing Distance: 0.35m / 1.15 ft.
Zoom System: Ring USM
Filter Size: 67mm
Max. Diam. x Length, Weight: 23.1" x 3.6", 16.8 oz. / 78.5 x 92.mm, 475g
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