Nikon Nikkor-W 300mm f/5.6 large format lens in Copal #3 shutter. Serial #780686. Made in Japan. Covers 11x14, with some movements. Image circle is 420mm at f/22. Angle of coverage is 70*/ at f/22. Shutter speed range is 1/125 - 1 second, B and T. Front filter diameter is 95mm. Weight is 3.13 lb. Lens is 4.5 inches long. Require 5x5" or larger lens board and strong camera front to support it. Lens stop range is f/5.6 - f/64. Multicoated glass. Lens is in Ex+ or 8.5 of 10 cosmetic condition. No dents or dings. Couple of small minor marks around on the barrel. Clean glass. Optics have been cleaned. Clean lens coating. No separation or scratches. Good working shutter. Smooth and clean shutter and aperture blades. Original retaining ring. Little plastic tabs from the end of the aperture lever, and shutter cocking levers are missing! This will have no affect on the use of this lens. Will work on 4x5, 5x7, 8x10"and 11x14 field and view cameras, like: Deardorff, Sinar, Cambo, Arca-Swiss, Toyo, Wista, Linhof, Wisner, Zone-VI, Shen-Hao, Ebony and others. Great "telephoto" lens, with large coverage. Original retaining ring and caps. Sells with NO RESERVE at a price of $645. I have more Larger Format cameras, lenses and accessories, Kodak Ektar lenses, Portrait and Soft Focus Lenses. More great buys on my other auctions, Ebay Store and Web Page.