60,000 of such devices were released from 1894 to 1908. This is the most massive civic binocular among first three Carl Zeiss Jena prismatic models having 4-x, 6-x and 8-x magnification.
Flat prism covers made of brass (the earlier models were made of aluminum) and a central hinge, which is attached to binoculars halves with the help of screws, belong to distinctive features of this model. The earlier 4-x and 6-x models have the same fixture design. The interpupillary distances scale is indicated on the upper hinge disk (this scale was absent in earlier models and the disc had a flat shape). This models objective diameter is equal to 20 mm (the earlier model had an aperture equal to 18 mm) and 8x magnification.The binoculars field of view and the eyepieces FOV are enlarged in comparison with the previous model. 1905 CARL ZEISS JENA FELDSTECHER 8 FACH 8X20 BINOCULARS & LEATHER CASE & STRAP" is in sale since Tuesday, April 27, 2021. This item is in the category "Cameras & Photography\Telescopes & Binoculars\Binoculars & Monoculars". The seller is "optica-techna" and is located in Cirencester, Gloucestershire. This item can be shipped to all countries in Europe, United States, Japan, Canada, Australia.