This is a Flak 12x60 binoculars from manufacturer Carl Zeiss Jena (blc)) from ww2.
The 12x60 Flak binoculars was used by german Wehrmacht during World War 2.
The 12x60 was an observational and survey telescope. It was used in the anti-aircraft artillery, for Flak lights or for observation with EM 4m R40 rangefinder.
