[macyskorea] Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras/3816511
17-40mm ultra-wide-angle zoom lens with f/4 maximum aperture for Canon SLR cameras 3 aspherical lens elements and super UD glass element create superior optics in all conditions Powerful ring-type ultra-sonic monitor (USM) produces fast and silent autofocusing Focuses as close as 11 inches; supports...