Product Description : Two mode optical Image Stabilization System increases usability by approximately four stops The EF 70-300 f4-56L IS USM incorporates a floating focusing mechanism for sharpness from 39 12m to infinity Two Ultra Low Dispersion UD elements for improved image quality and reduced chromatic aberration The Fluorine coating keeps soiling smears and fingerprints to a minimum The lens accepts an optional removable tripod collar and is dust and water resistant
