Canon EF 70-200mm f/4L USM Telephoto Zoom Lens + 3 Piece Filter Kit + Lens Case + Zing MicroFiber Cleaning Cloth + Lens Pen Cleaner + Lens Accessory Saver Bundle 70-200mm telephoto zoom lens with f/4 maximum aperture for Canon SLR cameras Inner focusing system and ring-type ultra-sonic monitor for quick and quiet autofocusing Compatible with same tripod collar (sold separately) as EF 300mm f/4L USM lens 3.9-foot close-focusing distance; supports use of circular polarizing filter Measures 3 inches in diameter and 6.8 inches long; weighs 25 ounces