Photographers looking for increased magnification for sports, nature, and wide-angle shooting find the Nikon Nikkor AF-I D [IF] ED an ideal choice. The 400 mm f/2.8 lens provides photographers with the ability to zoom in, photographing events where close action shooting isn't always possible. This telephoto lens is extraordinarily fast with an f/stop speed of 2.8. This Nikon camera lens includes an ED-IF lens for added depth and clarity. The Nikon Nikkor AF-I D [IF] ED has another remarkable characteristic: it offers uniform pictures in a compact lens size making telephoto photography easier than ever. When support is needed, this Nikon camera lens has a built-in tripod mount. Mounting the tripod to the 400 mm f/2.8 lens provides an excellent handle for carrying the set-up during live action shoots. The Nikon Nikkor AF-I D [IF] ED is a must-have for photographers shooting sporting events, wide-angle nature shots, architectural shoots, and interior photography.