The 0344B002 EF 24-105mm f/4L IS USM Canon Standard Zoom Lens is a durable yet sophisticated lens that meets the demands of advanced amateur photographers and professional photographers alike. It is an easy-to-use standard zoom lens that fits most Canon 35mm and digital cameras. Constructed with one Super-UD glass element and three aspherical lenses, this Canon telephoto zoom lens minimizes chromatic aberration and distortion. The result is excellent picture quality, even at wide apertures. It can cover a large zoom area ranging from 24mm wide-angle to 105mm portrait-length telephoto. It is designed with Image Stabilizer Technology, which steadies camera shake up to three stops. It also provides a viewing angle of 84 to 23 degrees. Canon's ring-type USM gives silent but quick AF along with full-time manual focus. Moreover, with dust- and moisture-resistant construction, this lens is durable.