A modern classic: this fast-aperture telephoto zoom lens is a favourite with photographers in virtually every genre. Its now even better in bright light, and engineered to perform in the most challenging conditions.Enjoy extra creative controlThe lenss f/2.8 maximum aperture makes it easy to emphasise pin-sharp subjects against a smooth out-of-focus background.Low light? No problemA 3.5-stop Image Stabilizer guards against camera shake. A fast f/2.8 aperture lets in twice as much light as an f/4 lensSuperb image qualityFluorite and UD optics deliver high contrast and excellent resolution. Improved lens coatings combat ghosting and flare.Built to exacting standardsProtective seals guard against dust and moisture and fluorine-coated front and rear elements are easy to clean.Fast, near silent autofocusA ring-type USM motor focuses with amazing speed. Make manual adjustments at any time, just by turning the focus ring.