A rare pair of Asembi 80 mm binoculars by Carl Zeiss Jena, 1940.

The triple turret has 3 different magnifications, 12, 20 & 40 times, which can be changed with the “okularrevolver” mechanism.

D.F. 12,20,40 x 80

Serial number: 13676 (1940).

Literature:

Zeiss Handfernglaser 1919-1946, Modelle – Merkmale – Mythos, Hans Seeger. Pages: 547.

Carl Zeiss Jena Astro 80, catalogue, pages 16 and 17.

The Carl Zeiss Jena astro department was the historical astronomical instrument division of the Carl Zeiss company in Jena, Germany, established in the 1890’s it was renowned for producing telescopes, planetarium projectors, and other scientific instruments.