Sigma EX 10-20mm f3.5 DC HSM for Nikon F

The Sigma EX 10-20mm f3.5 DC HSM is an ultrawide lens for Nikon F-mount crop-sensor digital cameras. It has a built-in focusing motor for compatibility with any Nikon DSLR and a fast f3.5 constant aperture. In excellent condition, with minor cosmetic surface wear, clean glass.