front cap, back cap, lens pouch, hood in great condition Micro Ultra Sonic Motor (USM), f/2.8 constant maximum aperture, Super Ultra-low Dispersion glass; inner focusing; aspherical lens; full-time manual focus, EF mount; ultra-wide zoom lens 16-35mm focal length, EF mount; Super Ultra-low Dispersion glass; inner focusing; aspherical lens; full-time manual focus, Closest focusing distance: 0.92 feet Circular aperture produces natural background blur at wider apertures, Ring-type USM for fast and quiet auto focusing; internal focusing Measures 3.5 inches in diameter and 4.4 inches long;
