Buy from Amazon.com : http://fave.co/1FzPKDT <br /><br />Olympus Zuiko 50-200mm f/2.8-3.5 Digital ED SWD Lens for Olympus Digital SLR Cameras<br /><br />Product Description : <br />50-200 millimeter f28-35 zoom lens for digital cameras equivalent to 100-400 millimeter in 35 millimeter photography <br />Features Supersonic Wave Drive SWD technology inside to provide quiet ultra-fast autofocus speed <br />Maximizes the E-3s high-speed autofocus capability <br />Digital-dedicated design ensures high-definition performance with clear crisp images from edge to edge <br />Minimum shooting distance of just 12 meters throughout the zoom range