Canon EF 70-300mm f/4-5.6 IS USM Lens for Canon EOS SLR Cameras 70-300mm telephoto zoom lens with f/4.5-5.6 maximum aperture for Canon EOS SLR cameras 3-stop Image Stabilizer for reducing camera shake; ring-type ultra-sonic monitor (USM), Macro Focus Range : 1.50 m Electro-magnetic diaphragm (EMD) helps create attractive background at large apertures Super Spectra lens coating and lens element shaping suppresses flare and ghosting,Filter Thread: 58 mm Suitable for Nature/concert/potrait and close up/product photography. Measures 3 inches in diameter and 5.6 inches long; weighs 22.2 ounces; 1-year warranty