I understand they are WW2 U boat German examples.
Soviet WW2 Navy 7x50 binoculars, modded to 12x50, 1945, authentic, w case, rare
British WWII-era Ross London 7x50 binoculars. Bino Prism No 5 Mk IV model
British Army WW2 1943 Kershaw Binoculars No2 Mk2 With Graticules.
ORIGINAL RARE WW2 Bausch & Lomb 7x50 US Navy Military Binoculars UG7618
WW2 Kriegsmarine Zeiss blc smooth ocular 7x50.
WW2 German Binocular Case For 7x50 Dienstglas with correct strap
