The Nikon 24-85 mm f/2.8-4.0D IF AF is a Nikkor telephoto zoom lens that allows you to shoot stunning close-up photographs. With 15 elements in 11 groups lens construction, this Nikon lens reduces the aberrations in the images you capture. The 72 mm filter thread of this telephoto zoom lens allows you to attach filters that offer protection from dust. The 9 diaphragm blades in this Nikon lens help you to control the amount of light that passes through it. The maximum aperture range of f/2.8 to f/4 in the Nikon 24-85 mm f/2.8-4.0D IF AF lens allows you to capture clear images even in dimly lit conditions.