The Sigma DG 50-500mm F4.5-6.3 OS APO HSM Zoom Lens for Nikon DLSR is a high-quality lens designed for Nikon cameras. With a maximum aperture of f/6.3, this lens allows for excellent image quality and sharpness. It offers both auto and manual focus options, giving photographers flexibility in capturing their images. Made in Japan in the 2010s, this lens is a reliable and durable option for photographers looking to expand their creative capabilities. If you're looking to upgrade your Nikon DLSR setup, the Sigma zoom lens is a great choice. BRAND NEW NEVER USED.