• Thumbnail for Hologon
    Contax G series of rangefinder cameras. The Hologon was designed by Erhard Glatzel [de] and others at Zeiss in 1966 and patented in 1972. It is a largely...
    12 KB (1,362 words) - 10:23, 6 December 2022
  • Thumbnail for IBM 7090
    direct-coupled systems (in buildings 125 and 156). [under discussion] Erhard Glatzel used an IBM 7090 to assist in calculations for the design of the Carl...
    24 KB (2,705 words) - 12:07, 13 March 2024
  • Thumbnail for Contarex
    Photographica Pages. Retrieved 26 April 2023. US Patent 3661447, Glatzel, Erhard & Schulz, Hans, "Three lens element wide angle objective", published...
    17 KB (1,757 words) - 21:23, 4 February 2024
  • Thumbnail for History of photographic lens design
    Objective. United States Patent #2,721,499; granted 25 October 1955. Erhard Glatzel and Hans Schulz, Dreilinsiges Weitwinkelobjektiv. (Triplet Wide-Angle...
    116 KB (16,091 words) - 10:27, 15 March 2024
  • Thumbnail for Zeiss Biogon
    simplified design in 1952; that patent, in turn, was cited by Drs. Erhard Glatzel and Hans Schulz in their 1966 patent for the Hologon. Biotar Tessar...
    19 KB (1,908 words) - 21:14, 27 June 2023
  • optical designs occurred during the sixties and seventies, when Dr. Glatzel (Erhard Glatzel) of Zeiss introduced new methods of lens design. In the Leica-centric...
    16 KB (2,358 words) - 21:39, 7 June 2023
  • Würfel, Völklingen Alex Faller, Ergoldsbach Hermann Fischer, Augsburg Erhard Glatzel, Heidenheim Janos Ladik, Erlangen Georg Spinner, Feldkirchen-Westerham...
    14 KB (1,226 words) - 21:12, 7 November 2023
  • 1910 1880 Friedrich Musculus 1910 1880 Friedrich Marwede 1910 1880 Ludwig Glatzel 1911 1881 Paul von Hintze 1911 1882 Fritz Hoffmann 1861 1918 1911 1879...
    141 KB (410 words) - 21:05, 14 February 2024