The NIKKOR Z 14-30mm f/4 S is an ultra-wide zoom for Nikon's FX-format Z-series mirrorless system. In regard to the optical design, the lens features four extra-low dispersion elements and four aspherical elements, which reduce a variety of aberrations and distortion to produce imagery with high sharpness, clarity, and accurate color rendering.  A programmable control ring can be set for intuitive adjustment over a variety of camera and exposure settings. Ultra-wide zoom covers a wide-angle to portrait-length range and is designed for FX-format Z-mount mirrorless cameras. Four aspherical elements are used to reduce spherical aberrations and distortion in order to realize sharp imagery with accurate rendering. A Nano Crystal Coat, along with a Super Integrated Coating, has been applied to lens elements to minimize surface and internal reflections for a marked reduction in lens flare and ghosting. Full-time manual focus override is also possible and an internal focusing design is used, where only the internal lens groups are moved during focusing, to maintain the overall length of the lens during use and to promote faster focusing speeds. The specialized electromagnetic aperture mechanism provides greater exposure control stability that is especially beneficial when working with fast continuous shooting rates. Exposed elements feature a fluorine coating that affords protection to the optical system against dust, grease, and water droplets.