Published in Autumn 1991 Zeiss Historica Journal
Author: Larry Gubas
See Page 11 – 14
Additional material on Zeiss prism binoculars from the early years to the strange markings on military binoculars during World War II (especially variants of the 7 x 50 Binocot style and other special markings.
To go to the Journal itself, click on the year 1991 in the first line above.