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First World War era Zeiss binoculars. An exchange of rubber for optical glass was proposed by Britain and Germany during the First World War. Optical glass was vital to the warfare of this era for binoculars and gunsights and rubber was needed for tyres and communications cables.
First workshop of Carl Zeiss in the center of Jena, c. 1847 Carl Zeiss Jena (1910) One of the Stasi's cameras with the special SO-3.5.1 (5/17mm) lens developed by Carl Zeiss, a so-called "needle eye lens", for shooting through keyholes or holes down to 1 mm in diameter 2 historical lenses of Carl Zeiss, Nr. 145077 and Nr. 145078, Tessar 1:4,5 F=5,5cm DRP 142294 (produced before 1910) Carl ...
Most compact binoculars feature magnifications of 7× to 10×, and objective diameter sizes of a relatively modest 20 mm to 25 mm, resulting in small exit pupil sizes limiting low light suitability. Roof prism designs tend to be narrower and more compact than equivalent Porro prism designs. Thus, compact binoculars are mostly roof prism designs.
Ross patented a wide-angle lens design and Zeiss took this further to produce their EWA Protars. Before World War 1, Ross and Zeiss worked quite closely together, but at the outbreak of War the British Government put Ross in control of the newly opened Carl Zeiss binocular and optical factory in Mill Hill, London.
The binoculars series was updated and modified several times throughout its production history and switched to Schmidt-Pechan roof prism systems around 1990, which also brought a new series onto the market. These binoculars, which have been on the market for high-quality compact binoculars for a long time, had the optical parameters 8×20 and ...
Noblex is also producing the following binoculars in 2019. Noblex ED (8x42, 10x42 and 8x56) Noblex Compact (8x21 and 10x25) Noblex B/GA (7x40 and 10x42) They are all produced in Jena and ED models feature magnesium housing and Open Bridge design. [14]