ขายอุปกรณ์ถ่ายภาพ Canon EF-S 17-85mm f/4-5.6 Image Stabilized USM SLR Lens for EOS Digital SLR\s

  Technical Details 17-85mm standard zoom lens with f/4-5.6 maximum aperture for EOS digital SLR cameras Image Stabilization system reduces camera shake to extend use in low-light levels Aspheric element and 2 aspherical surfaces deliver excellent optical quality Ring-type ultra-sonic monitor (USM) for superior autofocusing; 1.15-feet close focusing Measures 3.1 inches in diameter and 3.6 inches long; weighs 16.8 ounces; 1-year warranty Product Description From the Manufacturer 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 Canons Image Stabilization system, allowing safe hand-holding at speeds up to three stops slower than otherwise possible. And of course, its 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. Features 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 lenss 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 This review is from: Canon EF-S 17-85mm f/4-5.6 Image Stabilized USM SLR Lens for EOS Digital SLRs (Electronics)