BMK ZC/2. 4 X 15° U-BOAT DECK MOUNTED BINOCULAR
This director binocular was mounted on the 2 cm Flak deck gun.
Because of the special design – airtight, watertight the viewer could travel into the depths up to 300 meters without problems,
it could withstand pressures of 30 atmospheres.
It didn't have to be removed in case of an emergency dive.
It has a 4 x magnification with a very large field of view of 15 ° ( 262 m/1000 m.)
Equipped with two filters and T-coating, 80 years ago invented by Alexander Smakula at Zeiss, patented in 1935.
The viewer is fully served and cleaned and has again just such a beautiful clear picture as when they left the factory,
you can clearly see the difference on the last images, before and after service.
The ocular and objective lens have both a diameter of 26 mm.
The viewer was mounted via the swallow-tailed connection at the bottom.
On the top a small stamped Eagle with WaffenAmt number.
Also on the bottom stamped on the swallow-tailed connection.
Two build- in sun filters
Weight 2.8 kg
Serial number 138743
Field of view of 15 ° ( 262 m/1000 M