Canon EF 400mm f/2.8L IS USM long telephoto autofocus lens. Serial #25927. Made in Japan. Fits all Canon 35mm or digital SLR cameras such as: Canon Elan, Elan 7, EOS-1V,  EOS-3, Canon 40D, 50D, 5D Mark II, EOS 5D Mark III, EOS-1DS, EOS-1D Mark III, EOS-1Ds Mark III and other Canon digital and film cameras. This lens should also be compatible with the Canon R cameras if you use the Canon EF to R adapter. Could be used on most mirrorless digital cameras with the proper adapter. Lens uses 52mm rear mounted filters. Aperture range is f/2.8 - f/32. Minimum focus distance is 3 meter or 10 ft. Lens is approx. 7" wide X 14" long. Canon ET-155 lens hood. Tripod mount. Lens is Ex/Ex+ or 8/8.5 of 10 cosmetic condition. No dings or dents. Some paint wear around from prior used mostly on the tripod mount. Some small paint wear on the hood, and around the front lens barrel wear the hood mounts on. Overall very good condition Canon EF 400mm f/2.8L IS USM telephoto lens. Great lens for sports and wildlife photography. Smooth auto and manual focus. Clean glass. Nice multicoating. Good working aperture with clean and smooth aperture blades. Lens comes with original Canon 400 hard case, instruction manual, Canon soft front and Rear caps. Nice FAST f/2.8 super sharp Canon telephoto lens. Sells with NO RESERVE at price of $3095. I have more Canon AF lenses, Large Format cameras, Lenses and Accessories, Medium format cameras, Subminiature and Soft Focus Lenses. More great buys on my other auctions, Ebay Store and web page.