MTF ChartOptical DesignFast medium telephoto lens for use with FX- and DX-format SLRs. Ideal for portraiture, it offers a stellar combination of classic focal length and aperture speed. The 85 mm focal length allows for tight head and shoulder shots with extreme detail. The fast f/1.8 aperture perfectly balances sharpness and bokeh.FX-format medium telephoto lens with 85 mm focal length (127.5 mm when used with a Nikon DX-format SLR). Fast f/1.8 aperture: enables beautifully smooth bokeh, sharper shots in low light anda bright viewfinder image. Superb optical performance.Compatible with entry level D-SLRs that do not have a built in autofocus motor.SWM (Silent Wave Motor) for quiet and accurate autofocus. Two focus modes: M/A (manual-priority autofocus) and M (manual focus).Lightweight and compact body. Weather-sealed rubber lens mount. Sample Image