With the eyecups removed blackouts are not a problem because the metal ring the eyecup screws onto projects 4 mm beyond the surface of the eyelens which prevents the viewer’s eyes getting too close to them. Optically it is very good particularly when the plastic eyecups are removed enabling the viewer to see its entire wide field of view. it is covered with black texturized paint instead of leatherette and lacks an IPD plate and hinge end cap), its build quality is high and better than that of the collection’s cxn (Busch) 10X50 Dienstglas (see: ). A center focus version called the Dekarem (later, also named the Jenoptem) came out in 1931 and likewise was made until 1990 (see: ).Īlthough this binocular has later war cost-saving features (f.ex. The Zeiss 10X50 Dienstglas is a military version of the civilian model Zeiss Dekaris 10X50 which was introduced in 1929 and remained in production until 1990.
This binocular was serial numbered according to the circa 1943-1945 “Militärglas-Kurznummernkreis”, but if dated according to the original series would appear to have been manufactured in 1899. Although the serial numbers of Carl Zeiss Jena binoculars from 1894 to 1991 are fairly consecutive making most of them easy to date, during WW II the company for unknown reasons introduced two additional sequences for certain binoculars while maintaining the original series for others. The optics are not anti-reflective coated, and there is a standard German Army H/6400 type reticule in the right eyepiece. Notes: The blc marking on the right prism plate is the German wartime code for the manufacturer, Carl Zeiss Jena. Manufacturer/Model: Carl Zeiss Jena, Dienstglas 10X50įield of View: 7.3 deg = 128 m/1,000 m APFOV 73 deg
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