Canon EF 85mm f/1.8 USM AutoFocus Telephoto Lens Kit, USA with Pro Optic 58mm MC UV Filter, Lens Cap Leash, Professional Lens Cleaning Kit A highly practical medium telephoto lens with superb delineation and portability Images are sharp and clear at all apertures. Through computer simulations, the lens has been designed to give beautiful background blur. Since the front lens group does not rotate during focusing special filter effects are not affected.