This is a refurbished Tokina AT-X 14-20mm f/2 Pro DX Lens designed for Nikon F mount cameras. It boasts a maximum aperture of f/2, making it great for low-light situations or achieving shallow depth of field. The lens is compatible with Nikon brand cameras and has both auto and manual focus capabilities. The focal length ranges from 14-20mm, making it perfect for wide-angle shots.