Cooke triplet (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Cooke triplet" in English language version.

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allphotolenses.com (Global: low place; English: low place)

"Additional info about the APO-LANTHAR" (PDF). Cosina Voigtländer. Retrieved 21 August 2023.

apenasimagens.com (Global: low place; English: low place)

"Anticomar | Plaubel". only images. 14 October 2019. Retrieved 22 August 2023.

archive.org (Global: 6^th place; English: 6^th place)

Kingslake, Rudolf (1989). "7. The Triplet Lens and its Modifications". A History of the Photographic Lens. San Diego: Academic Press. pp. 103–116. ISBN 0-12-408640-3. Retrieved 13 January 2026.
Cox, Arthur (1966). "Basic Lens Types". Photographic optics: a modern approach to the technique of definition (Thirteenth ed.). London & New York: Focal Press. pp. 233–314. Retrieved 21 August 2023.
Kingslake, Rudolf (1989). "6. The First Anastigmats". A History of the Photographic Lens. San Diego: Academic Press. pp. 81–102. ISBN 0-12-408640-3. Retrieved 13 January 2026.

books.google.com (Global: 3^rd place; English: 3^rd place)

Kidger, Michael J. (2002). Fundamental Optical Design. SPIE Press. ISBN 9780819439154.

doi.org (Global: 2^nd place; English: 2^nd place)

Vasiljević, Darko (2002). "13: The Cooke triplet optimizations". Classical and Evolutionary Algorithms in the Optimization of Optical Systems. Springer US. pp. 187–211. doi:10.1007/978-1-4615-1051-2_13. ISBN 9781461510512.
Taylor, H. Dennis (1923). "Optical designing as an art". Transactions of the Optical Society. 24 (3): 143. doi:10.1088/1475-4878/24/3/302.
Sharma, K. D. (1979-12-01). "Design of a new five-element Cooke triplet derivative". Applied Optics. 18 (23): 3933–3937. doi:10.1364/AO.18.003933. ISSN 1559-128X. PMID 20216728.

espacenet.com (Global: 800^th place; English: 676^th place)

worldwide.espacenet.com

US Patent 568052A, H. D. Taylor, "Lens", issued September 22, 1896
US Patent 716035A, Carl August Hans Harting, "Lens", issued December 16, 1902
US Patent 765006A, Hans Harting, "Lens", issued July 12, 1904
US Patent 1739512A, Horace William Lee, "Photographic Objective", issued December 17, 1929
DE Patent 458499C, Ludwig Bertele, "Photographisches Objektiv", issued April 13, 1928

lens-club.ru (Global: low place; English: low place)

"Chapter: P" (PDF). lens-club.ru. Retrieved 22 August 2023.

lenslegend.com (Global: low place; English: low place)

"E. Ludwig Meritar 50mm f2.9 Review". lens-legend. April 3, 2020. Retrieved 22 August 2023.

mikeeckman.com (Global: low place; English: low place)

Gubas, Larry (Autumn 1982). "The Super Ikontas" (PDF). Zeiss Historica. Vol. 4, no. 2. Zeiss Historica Society of America. NOVAR: These triplet lenses were made to Stuttgart's specifications by Rodenstock and possibly also by Steinheil. Both firms were located in Munich.

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Sharma, K. D. (1979-12-01). "Design of a new five-element Cooke triplet derivative". Applied Optics. 18 (23): 3933–3937. doi:10.1364/AO.18.003933. ISSN 1559-128X. PMID 20216728.

wikipedia.org (Global: low place; English: low place)

de.wikipedia.org

Novar lenses were manufactured by Rodenstock or Steinheil [de] for Zeiss Ikon cameras.^[8]

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Sharma, K. D. (1979-12-01). "Design of a new five-element Cooke triplet derivative". Applied Optics. 18 (23): 3933–3937. doi:10.1364/AO.18.003933. ISSN 1559-128X. PMID 20216728.