Gundlach 8x10 Radar Anastigmat f6.3 standard lens for 8x10 view or field cameras. Made in Fairport N.Y. by the Gundlach Manufacturing Corp. Circa 1926. Serial #209773. High quality 12" (304.8mm) standard lens for 8x10" cameras. Single coated lens. Lens is mounted in an Ilex No. 5 Universal shutter. Shutter speeds are 1/50 to 1 sec., B,T. Lens aperture are f/6.3 to f/45. This lens was originally an f/4.5 lens, but somebody modified it to an f/6.3 lens probably to give the lens wider coverage. Lens is in Ex++ or 9 out of 10 cosmetic condition. No dings or dents. Good working order, Clean glass. Clean lens coating with no marks or scratches. No separation. Includes original retaining ring. Heavy duty build. Very nice standard lens for your 8x10 camera with good glass. Sells with NO RESERVE at a price of $445. I have more BRASS barrel lenses, Kodak Ektar lenses, Large Format cameras and Lenses, Vintage and Collectibles and Soft Focus Lenses. More great buys on my other auctions, Ebay Store and Web Page.