MTF ChartOptical DesignProfessional, fast aperture, telephoto zoom lens with Vibration Reduction, and Nano Crystal coat. Boasts superb edge-to-corner sharpness and fast, quiet autofocus that offers outstandingly sharp images under any lighting conditions. Weather sealed magnesium body to meet the most challenging professional needs.70-200mm zoom range.Vibration Reduction II (VR II) stabilization system with Normal and Active modes. Lets you use shutter speeds that are up to 3.5* stops slower.Nano Crystal coat reduces ghost and flare.7 ED glass elements to minimize chromatic aberration.SWM (Silent Wave Motor) for whisper quiet and fast autofocus.Closest focusing distance: 1.4 m.Rubber mount seal.Instant manual focus override (M/A).Detachable hood and soft case included.