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. His 8×60 type was a MUCH RARER model, with only approx. 200 pieces ever being made, and were issues to personnel on a limited basis. Doppelfernrohr Porro II 8×60. Binocular was a favourite of U-Boat Commanders, and is considered as the BEST military handheld binoculars ever made! Combined with a high eye relief, Porro 2 prism design, make for a viewing experience that is second to none! These were supplied to the commanders of ships and submarines of the Kriegsmarine. Made of aluminum, brass, and steel by blc (Carl Zeiss Jena), these 8 x 60 power binoculars are in EXCELLENT used condition! The lens bodies are VERY SOLID, but as they are in used condition, show wear on the original finish. Interesting original finish, as it appears to be a very dark plumb color, as opposed to the standard blac. The aluminum end piece fittings are 100% intact, and occulars feature the RARE rubberized gas mask eye cups! The rubber does have some slight wear and cracking, but they are VERY flexible! The focus adjustments still function PERFECTLY on both eye pieces, and though there is some very slight spotting, the coated optics are still VERY sharp, and well-defined. Even in low light. Due to the size, these are a bit hard for me to look through (width is too large for me), but the collimation is PERFECT! Right lens features a vertical cross-hair (see photo). The left side body is marked. The right side body, along with the KM Adler, is marked. The Serial Number “2079342” stamped on the front bridge area indicates in was produced in 1941. This is one of the RAREST binoculars to obtain! I have indicated the exact type in use (mounted and un-mounted) in the last photos. Ould make a SUPERB addition to any collection, or display! Most of my items are vintage, and as such are AS-IS, so you must therefore expect a degree of wear due to age and/or usage. ABOUT ME. Although my passion is the Me109, I do offer many other German Aircraft Fw190, Me262, etc. , as well as USAF and Japanese items. Occasionally I do offer many non-vintage items such as prints and art relating to the time period. Use is solely based on my authorization only. The free listing tool. The item “WW2 German Kriegsmarine 8×60 U-Boat Commander Binoculars Porro II VERY RARE” is in sale since Saturday, August 27, 2016. This item is in the category “Collectibles\Transportation\Boats & Ships\Military\Other Naval Collectibles”. The seller is “messerschmitt*109″ and is located in Malibu, California. This item can be shipped worldwide.