Update of one of Nikon"s most respected NIKKOR lenses delivers sharp images and its fast maximum aperture ensures a bright viewfinder image as well as beautiful background blur. The moderate wide angle capability of the lens is suitable for interiors, weddings, photojournalism and landscape photography. FEATURES: FX-format, ultra-fast classic wide-angle lens - Update of one of Nikon"s most respected NIKKOR lenses; suitable for landscapes, night scenes, interiors, weddings, photojournalism and astrophotography. Optimized for edge to edge sharpness on both FX and DX-format D-SLRs - DX-format D-SLR the angle of view is equivalent to a focal length of 52.5mm in FX/35mm format. Rear Focus (RF) -Provides smooth and fast autofocus while eliminating front barrel rotation and lens length changes. Exclusive Nikon Silent Wave Motor (SWM) - Enables fast, accurate and quiet autofocus. Rounded 9-Blade Diaphragm - Renders a more natural appearance to out-of-focus image elements. 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. Aspherical Lens Element - Aspherical lens element virtually eliminates coma and other types of aberration, even when shooting at the widest available aperture. M/A Focus Mode Switch - Enables quick changes between manual and autofocus operation now enhanced with a refined MF driving mechanism to reduces focus time lag and improve ease of use in M/A mode. Nikon Super Integrated Coating (SIC) - Enhances light transmission efficiency and offers superior color consistency and reduced flare.