Sigma 14-24mm f/2.8 DG DN Art Lens for Sony E

Features: E-Mount Lens/Full-Frame Format Aperture Range: f/2.8 to f/22 One FLD Element, Five SLD Elements Three Aspherical Elements Super Multi-Layer & Nano Porous Coating High-Speed AF with Stepping Motor Customizable AFL Button Rounded 11-Blade Diaphragm Weather-Sealed, Protective Front Coating Built-In Lens Hood Available also for Canon-EF, Nikon-F Mount The Sigma 14-24mm f/2.8 DG DN Art Lens provides a versatile range of wide-angle focal lengths with excellent image quality while optimizing size and weight. An Art-series zoom, this lens is also distinguished by its fast f/2.8 constant maximum aperture to suit working in available lighting conditions. Featuring a sophisticated optical design, a series of low dispersion and aspherical elements is used to minimize both chromatic and spherical aberrations throughout the zoom range in order to achieve high sharpness, clarity, and color accuracy. A Super Multi-Layer Coating combined with a Nano Porous Coating also helps to su