The Sigma 24-70mm f/2.8 DG OS HSM Art, Nikon Fit covers a useful wide-angle to portrait-length range of focal lengths to suit shooting in a variety of environments. As part of the esteemed Art series of lenses, a sophisticated optical design is used that incorporates three SLD elements and four aspherical elements to reduce chromatic and spherical aberrations, as well as colour fringing, distortions, and other anomalies for greater clarity and sharpness. A Super Multi-Layer Coating has also been applied to suppress lens flare and ghosting for accurate color fidelity and high contrast, and a protective coating has been applied to the front element, too, to benefit working in harsh climates. Additionally, extending its versatility, a constant f/2.8 maximum aperture affords consistent performance throughout the zoom range as well as greater control over depth of field. This lens looks to be in near mint condition with almost no signs of use. The optics are clean and clear with no marks or scratches. The lens barrel shows almost no cosmetic marks. The focus ring is smooth and in great condition. The lens mount is in great condition showing almost no signs of use. The lens hood is in near mint condition with almost no signs of use.