This Sigma EX lens is a great addition to your camera gear. With a maximum aperture of f/2.8, it's perfect for low-light shots and creating a shallow depth of field. The lens is compatible with Nikon F mount cameras and has both auto and manual focus options. The telephoto, full-frame lens is designed for the Nikon F mount and has a focal length of 70-200mm. It also includes image stabilization to ensure steady shots. This lens is ideal for photographers who want to capture sharp, detailed images with ease.