• Thumbnail for Voigtländer Vitessa
    2573511, Albrecht Wilhelm Tronnier, "Four-lens photographic objective", published October 30, 1951  US Patent 2649023, Albrecht Wilhelm Tronnier, "Modified...
    10 KB (883 words) - 21:37, 18 August 2023
  • Thumbnail for Voigtländer Prominent
    2649023, Albrecht Wilhelm Tronnier, "Modified Gauss-type four-component photographic objective", published August 18, 1953  DE Patent 969778C, Albrecht W. Tronnier...
    11 KB (881 words) - 21:37, 18 August 2023
  • Thumbnail for Voigtländer
    Albrecht W. Tronnier, "Five-lens photographic objective", published July 14, 1953, assigned to Voigtländer & Sohn AG  US Patent 2645156A, Albrecht W...
    24 KB (2,211 words) - 03:12, 6 January 2025
  • Thumbnail for Voigtländer Vito
    2573511, Albrecht Wilhelm Tronnier, "Four-lens photographic objective", published October 30, 1951  US Patent 2649023, Albrecht Wilhelm Tronnier, "Modified...
    24 KB (1,903 words) - 21:38, 18 August 2023
  • Thumbnail for Angénieux retrofocus
    lens assembly", published August 18, 1953  US Patent 2746351A, Albrecht Wilhelm Tronnier, "Photographic objective of the modified triplet type and a meniscus...
    18 KB (1,953 words) - 11:05, 29 March 2024
  • Thumbnail for Double-Gauss lens
    фотоаппаратостроения"". www.photohistory.ru. Retrieved 2018-08-24. DE 439556, Albrecht Wilhelm Tronnier, "Photographisches Objektiv", published 30 April 1925  Aguila...
    18 KB (2,066 words) - 14:26, 21 April 2024
  • Thumbnail for Zeiss Biogon
    Casual Photofile. Retrieved 3 April 2023. US patent 1882530, Albrecht Wilhelm Tronnier, "Spherically chromatically and astigmatically corrected wide-angle...
    19 KB (1,908 words) - 16:11, 24 July 2024
  • Ulrich Thein (1930–1995), actor Phillip Tietz (born 1997), footballer Louis Tronnier (1897–1952), general Constantin Uhde [de] (1836–1905), architect Lette...
    84 KB (6,962 words) - 07:40, 22 December 2024