Dallmeyer 4D 17" (about 430mm) f/6  Wet Plate BRASS barrel lens. Made in London circa 1886. Serial #53180. Vintage brass Soft-Focus lens. Non-coated glass. This lens will cover up to 10x12 with smaller aperture, but for sure will cover 8x10". (4) four notches on the REAR element and you can change the SOFTNESS of the image by moving rear element. Cut for waterhouse stops, but no waterhouse stops included. Front filter diameter is about 75mm. Rear filter diameter is about 71mm. Lens is 130mm or 5" long. Weight is approx  2.7lb. Retaining ring is 4 1/4" diameter. Should use at least a 5x5" or larger lens board. Lens is in Ex/Ex+ or 8/8.5 of 10 cosmetic condition. No dents or dings. Few small marks around from use on the barrel. Fairly clean front and rear elements. Vintage glass has been cleaned best as possible. Couple of small fine cleaning marks on the front that can be seen with a flashlight only, and will have no affect on your photos. NO SEPARATION. Original brass retaining ring and lens hood. NO waterhouse stops. After market front lens cap. Quite nice example of early brass SOFT FOCUS camera lens. Sells with NO RESERVE at a price of $2495. 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.