The Nikon 85mm f/1.4G AF-S Nikkor Lens is a high performance FX-format f/1.4 medium-telephoto lens that is perfect for portraits and low-light applications, offering beautiful Bokeh (background blur) and outstanding picture quality. Nano Crystal Coat Use of Nano Crystal Coat further reduces ghosting and interior flare across a wide range of wavelengths for even greater image clarity. Internal Focus (IF) Provides fast and quiet autofocus without changing the length of the lens, retaining working distance throughout the focus range. Nikon Super Integrated Coating (SIC) Enhances light transmission efficiency and offers superior color consistency and reduced flare Optimized for edge to edge sharpness on both FX and DX-format D-SLRs DX-format D-SLR angle of view is equivalent to a focal length of 127.5mm in FX/35mm format. M/A Focus Mode Switch Enables quick changes between manual and autofocus operation. Exclusive Nikon Silent Wave Motor (SWM) Enables fast, accurate and quiet autofocus.