Tamron AF 28-75mm f/2.8 SP XR Di LD Aspherical (IF) for Canon Digital SLR Cameras (Model A09E) 28-75mm autofocus zoom lens with f/2.8 maximum aperture Focal Length : 28-75 mm, Minimum focusing distance of 13 inches, rotation-type zoom Designed to meet performance characteristics of digital SLR cameras Smaller and lighter than most fast zoom lenses; weighs 18 ounces Measures 2.9 inches in diameter and 3.6 inches long; 6-year warranty