MTF ChartOptical DesignProfessional, fast aperture, standard zoom lens with SWM for fast and quiet Autofocus. Designed for digital, this lens rivals that of fixed focal length lenses for edge to corner sharpness, and features a Nano Crystal coating to minimize ghost and flare.24-70mm zoom range (DX equivalent: 36-105mm).Nano Crystal coat reduces ghost and flare.Slim, durable and lightweight barrel.SWM (Silent Wave Motor) for whisper quiet and fast autofocus.ED glass to minimize chromatic aberration.Closest focusing distance: 0.38 m (at 50 mm).Rubber mount seal.Instant manual focus override (M/A)Detachable hood and soft pouch CL-M3 included.Sample Image