Telephoto king in Nikon's "Holy Trinity" of f2.8 zoom lenses. You're best chance at photographing your kid doing a slam dunk or scoring a touchdown. They grow up so fast you better rent one before they leave the nest.
If you want unrivaled image quality in a telephoto zoom lens, look no further than the Nikon 70-200mm f/2.8 ED VR II Nikkor lens. Not only is this lens screaming fast at f/2.8, but it features Nikon's VR image stabilization and is the go-to lens for shooting low-light sports and portraits. Nikon's Nano Crystal Coat allows for the maximum in ghost and flare reduction and the lens can focus as close as 4.6 feet, making it incredibly versatile wherever you take it.