Mar 042010
Canon EF 17 40mm f 4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras
EF 17-40mm f/4L USM ultra-wide-angle zoom lens * compatible with Canon EOS SLR cameras * Canon L Series lens with three aspherical elements and one Super UD (Ultra-low Dispersion) element for superior image quality * available full-time manual focusing * weather- and dust-resistant construction * ring-type Ultrasonic Motor for fast, silent autofocus * built-in gelatin filter holder * minimum aperture: f/22 * minimum focus distance: 11 inches * constructed of 12 elements in 9 groups * |
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Feb 212010
Canon EF 28 135mm f 3 5 5 6 IS USM Standard Zoom Lens for Canon SLR Cameras
f/3.5-5.6 EF zoom lens * effective focal length: * 28-135mm with 35mm film or full-frame sensor digital cameras * 45-216mm with APS-C sensor Canon cameras * compatible with Canon EOS SLR cameras * Image Stabilization allows in-focus shots with longer exposure times (up to two stops slower shutter speed) * on/off switch for image stabilizer * available full-time manual focusing * ring-type Ultrasonic Motor for fast, silent autofocus * minimum focus distance: 20 inches * constructed of 16 elements in 12 groups * |
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