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2. Contarex - Wikipedia

   en.wikipedia.org/wiki/Contarex

   Contarex I, showing aperture selected in the "Bullseye/Cyclops" window. The Contarex I, aka Bullseye (catalog 10.2401), was built between 1959 and 1966. [14] It was the first 35mm SLR camera with a focal plane shutter that provides direct light meter coupling to the shutter-, aperture-, and film speed-settings; they are interconnected by cords.

3. 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.

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. Zeiss Touit 1.8/32 - Wikipedia

   en.wikipedia.org/wiki/Zeiss_Touit_1.8/32

   The Zeiss Touit 1.8/32 is an interchangeable camera lens announced by Zeiss on September 18, 2012. References

6. Tessar - Wikipedia

   en.wikipedia.org/wiki/Tessar

   In 1930, Ernst Wandersleb and Willy Merté from Zeiss developed Tessar lenses with apertures of f /3.5 and f /2.8. [6]: 87 [7] In 1925, E. Wandersleb and W. Merté of Zeiss created the Biotessar consisting of two elements cemented in the front, a single negative element in the center, and three cemented in the rear. [8]

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 ...