DESC: Smaller, faster, and stronger than the original Canon IS zoom lens, the EF 70-300mm USM telephoto lens is powerful and easy to transport. Image stabilization makes tracking a moving subject easy. Canon craftsmanship and engineering have created a fully featured telephoto zoom lens that is feature rich while remaining compact and easy to transport. Excellent build quality and flawless Canon optics make the EF 70-300mm lens an essential tool for professional photographers.