Kodak WIDE-FIELD Ektar 10" (250 mm) f/6.3 large format barrel lens. Serial # ES304. Made in 1947. Ilex #5 Universal Synchro shutter. Covers up to 11x14" (on smaller apertures) and 8x10" with lots of movements. Image circle is 422mm. Angle of view is 85*- 90* degree. Great lens for classic wood field 11x14 cameras. Single coated glass, with famous Kodak LUMENIZED coatings. Ilex# 5 shutter. Speeds range from 1/150 - 1sec and B and T. Front filter diameter is about 87mm (Series-IX filters). Rear lens filter diameter is about 82mm. Aperture from f/6.3 - f/45. Requires 5x5" or larger lensboard. Weight is 2.4 lb. Lens is in Ex/Ex+ or 8.5 of 10 cosmetic condition. No DENTS or DINGS. Clean glass, with some VISIBLE coating/cleaning marks on the front and rear elements, which is typical for early Kodak lenses of this time, and should NOT effect your images image. No separation. Smooth and clean shutter and aperture blades. Shutter is in good working order. Comes with original mounting flange. Classic wide-angle / normal "vintage" lens for your  8x10" and 11x14" cameras. Sells with NO RESERVE at a price of $1195. I have more interesting FAST lenses, Kodak Ektar lenses, Schneider and Rodenstock FILM and DIGITAL lenses, Fuji, Nikkor and Goerz lenses, Large Format Lenses, Soft Focus Lenses, Vintage and Collectibles. More great buys on my other auctions, eBay Store and web page.