Canon EF-S 17-85MM f4-5.6 IS USM Lens

Canon EF-S 17-85MM f4-5.6 IS USM Lens is possibly the best single lens to own with your Canon Digital Rebel SLR Camera. Equivalent to a 28-135mm lens, this new EF-S lens brings true wide-angle to tele coverage to EOS 20D, 30D, 40D 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.

Compact, lightweight design with a 5x Zoom ratio -- 28 to 135mm equivalent

Excellent optical quality: Aspheric element with two Aspherical surfaces utilized

Close-focusing to 1.15 feet -- at 135mm, fills the frame with subject 3 x 4.4 inches

Ring-type Ultrasonic motor for superior AF performance; allows full-time MF

Image Stabilization extends the lens's usefulness in low-light levels

Circular Aperture design -- natural highlights, even stopped down two stops

Non-rotating front element; lens length does not change during zooming

EF-S lens mount -- exclusively for EOS 20D and Digital Rebel bodies

Filter Size: 67mm

Maximum Diameter x Length, Weight: 3.1" x 3.6", 16.8 ounces

Only compatible with the 40D, 30D, 20D