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  2. First World War glass–rubber exchange - Wikipedia

    en.wikipedia.org/wiki/First_World_War_glass...

    Zeiss trench periscope used by Major General William Sinclair-Burgess of the First Australian Imperial Force. An agent from the British Ministry of Munitions was sent to neutral Switzerland to carry out secret negotiations with the Germans, through Swiss intermediaries, for the exchange of optical instruments for natural rubber.

  3. Binoculars - Wikipedia

    en.wikipedia.org/wiki/Binoculars

    Most early binoculars used Galilean optics; ... at an affordable price point is challenging. ... used by Zeiss in the late 1970s consisted of six superimposed layers.

  4. Carl Zeiss AG - Wikipedia

    en.wikipedia.org/wiki/Carl_Zeiss_AG

    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 ...

  5. Stereoscopic rangefinder - Wikipedia

    en.wikipedia.org/wiki/Stereoscopic_rangefinder

    Stereoscopic rangefinder atop the bridge of the German cruiser Admiral Graf Spee Portable stereoscopic rangefinder with binoculars from WWII. A stereoscopic rangefinder or stereoscopic telemeter [1] is an optical device that measures distance from the observer to a target, using the observer's capability of binocular vision.

  6. Rollei - Wikipedia

    en.wikipedia.org/wiki/Rollei

    For its time, the Rollei 35 was the smallest camera that used standard 35 mm film cartridges, which made it an ideal second camera for amateur photographers. Initially, it came with a Zeiss Tessar lens with an aperture of f/3.5 and focal length of 40 mm. In contrast to 16 mm cameras (especially pocket cameras that came along later), there was ...

  7. Ross (optics) - Wikipedia

    en.wikipedia.org/wiki/Ross_(optics)

    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. A 1902 Ross advertisement includes: Ross Symmetrical Anastigmats; Zeiss New Planar and Unar lenses; Zeiss Convertible Anastigmats

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