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  2. Binoculars - Wikipedia

    en.wikipedia.org/wiki/Binoculars

    Most roof prism binoculars use either the Schmidt–Pechan prism (invented in 1899) or the Abbe–Koenig prism (named after Ernst Karl Abbe and Albert König and patented by Carl Zeiss in 1905) designs to erect the image and fold the optical path. They have objective lenses that are approximately in a line with the eyepieces.

  3. 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 ...

  4. Heinrich Erfle - Wikipedia

    en.wikipedia.org/wiki/Heinrich_Erfle

    Heinrich Erfle (April 1, 1884, Dürkheim – April 8, 1923, Jena) was a German optician who spent most of his career at Carl Zeiss. In 1917 he invented the first wide-field eyepieces for telescopes and binoculars. During his short life he developed a number of new designs for telescopes and eyepieces. [1]

  5. First World War glass–rubber exchange - Wikipedia

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

    Optical glass was vital to the warfare of this era for binoculars and gunsights and rubber was needed for tyres and communications cables. Britain had sourced the majority of its pre-war optical glass from the German company of Carl Zeiss AG and by early 1915 was suffering from a shortage.

  6. NOBLEX E-Optics GmbH - Wikipedia

    en.wikipedia.org/wiki/NOBLEX_E-Optics_GmbH

    A year after the German reunification, the Eisfeld plant of the Jenoptik Carl Zeiss Jena GmbH, which employed 550 staff, was taken over by Bernhard Docter, who lent his name to the company and products. The company now traded under the name Docter-Optic-Eisfeld GmbH and continued with the production of binoculars, riflescopes, spotting scopes ...

  7. Ross (optics) - Wikipedia

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

    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.