Kriegsmarine Binoculars

Extremely rare to find 7 x 50 Kriegsmarine binoculars bei CARL ZEISS JENA.Has waterproof oculars such as dry cartridges,for the exclusive use of Ship and U-BOAT Crews.1st versrion series issued glasses around March 1940,not more than 1000 pieces were issued for the Navy.Has the Naval acceptance stamping quite weakly marked such as the Eagle with Swastika also stamp-marked very blurry.It has also the "N"-Marking with inventory number,of Naval Station Nordsee.