Used on U-boats and other surface vessels. Made of aluminum, brass, and steel by Leitz, these 7 x 50 power binoculars are in excellent used condition! The focus adjustment functions perfectly on both eye pieces and the optics are sharp. The left side marked 7 x 50 and BEH (indicating being manufactured by Leitz). The rubber on the eyepieces and lenses is In great condition. They come in the original case which is in very nice condition but has a broken fastener. The case itself is extremely rare. Please see the pictures for details. The German Army and Navy used a wide variety of optical equipment, including a 6×30 (6 power magnification with 30mm objective lens), 7×50, 8×30, 10×50 and others, being the standard issued optics used by all branches of service. Though this type was the standard, specialized personnel required stinger optics, and were issues to personnel on a limited basis. This specific binocular was used by U-Boat crews, ships, and coastal artillery. The item “WW2 German Kriegsmarine 7×50 Leitz U Boat U-Boot Binoculars RARE” is in sale since Wednesday, September 20, 2017. This item is in the category “Collectibles\Transportation\Boats & Ships\Military\Other Naval Collectibles”. The seller is “tolliestimelesstreasures” and is located in Little Rock, Arkansas. This item can be shipped to United States.