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  2. Contarex - Wikipedia

    en.wikipedia.org/wiki/Contarex

    The standard lens is the Carl Zeiss Planar 1:2 f=50mm in bright aluminium finish with a chrome 49 mm thread filter ring and an outer bayonet for Zeiss-Ikon filters. The lens focuses to 0.3 m (1 ft 0 in), which is closer than the usual 0.5 m (1 ft 8 in) for a normal lens. The focusing helical is remarkably smooth and precise.

  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. Contaflex SLR - Wikipedia

    en.wikipedia.org/wiki/Contaflex_SLR

    The Contaflex series is a family of 35mm Single-lens reflex cameras (SLR) equipped with a leaf shutter, produced by Zeiss Ikon in the 1950s and 1960s. The name was first used by Zeiss Ikon in 1935 for a 35mm Twin-lens reflex camera, the Contaflex TLR; for the earlier TLR, the -flex suffix referred to the integral reflex mirror for the viewfinder.

  5. Zeiss rail - Wikipedia

    en.wikipedia.org/wiki/Zeiss_rail

    Zeiss inner rail, [1] generally simply referred to as Zeiss rail, is a ringless scope sight mounting system introduced by Zeiss in 1990 as an alternative to traditional ring mounts. [2] A patent was granted in 1992, and the patent expired in 2008.

  6. Zeiss projector - Wikipedia

    en.wikipedia.org/wiki/Zeiss_projector

    Closeup of a lens bearing sphere of the Zeiss Mark IV planetarium projector on display at the Nehru Planetarium in Mumbai, India. A Zeiss projector is one of a line of planetarium projectors manufactured by the Carl Zeiss Company. Main models include Copernican (1924), Model I (1925), Model II (1926), Model III (1957), Model IV (1957), Model V ...

  7. Zeiss formula - Wikipedia

    en.wikipedia.org/wiki/Zeiss_formula

    In photographic optics, the Zeiss formula is a supposed formula for computing a circle of confusion (CoC) criterion for depth of field (DoF) calculations. The formula is c = d / 1730 {\displaystyle c=d/1730} , where d {\displaystyle d} is the diagonal measure of a camera format, film, sensor, or print, and c {\displaystyle c} the maximum ...