MTF ChartOptical DesignProfessional medium telephoto lens with a fast f/1.4 aperture for use with Nikon�s FX-format SLRs. A new incarnation of a legendary NIKKOR, the re-designed optical construction offers outstanding performance. Nikon\'s Nano Crystal coat greatly reduces ghosting and flare, and the 9-blade rounded aperture produces soft and pleasing blur characteristics. An outstanding portrait or studio lens Professional medium telephoto FX lens.85mm focal length with fast f/1.4 aperture. Outstanding optical performance.9-blade rounded aperture produces soft and pleasing blur characteristics. Nano Crystal coat reduces ghost and flare. SWM (Silent Wave Motor) for quiet and accurate autofocus.Sample Image