Goerz Serial Numbers This is an interesting Goerz binocular, serial number 501251. The prisms have a little fungus or dirt to the left hand side and a minute chip to the very edge of the right side prism, completely outside of the field of view. “Estimated numbers of serial production of binoculars of Optische Anstalt C.P.GOERZ - Berlin Serial numbers were estimated from the intersection of several data (dates engraved on military binoculars) and bibliographical sources Goerz and other collectors. The start and end range are indicative and cannot be taken with utmost precision, but are. The serial number is 140390. Does anyone know of a site or other source which provides a cross reference between Goerz/Dagor serial numbers and year of manufacture? “Estimated numbers of serial production of binoculars of Optische Anstalt C.P.GOERZ - Berlin Serial numbers were estimated from the intersection of several data (dates engraved on military binoculars) and bibliographical sources Goerz and other collectors. The start and end range are indicative and cannot be taken with utmost precision, but are. The serial number dates this camera to c.1921. I found this rare camera on Ebay in extremely good condition complete with ground glass viewing back, film-pack back, 4 cut- film plate holders, Goerz screw-on supplementary portrait lens and the original case.

Goerz Lens Serial Numbers Lookup

C.P. Goerz

Berlin

Germany

Series III No.4. f7.7, 240 mm

Lens Type:

Iris diaphragm marked in Goerz scale 6 - 384 (f8 - f64). Brass mount. For whole-plate.

Serial Number:

Ross & Co.

London

England

Series III No. 1. f7.7, 6'

Lens Type:

Waterhouse stops. Brass mount. For 5' x 4'

Serial Number:

The Goerz Double Anastigmat was designed by von Höegh and introduced in 1892, from 1904 it was known as the Dagor. It proved very successful and was widely copied. The series III is a general purpose lens working at f6.8 in the shorter lengths and f7.7 in longer lengths. Available in sizes of 1 ⅝ - 35' (in the UK in 1900). The series IV was a modified design for copying and architectural use, working at f11 it was introduced in sizes up to 47'.

The Ross-Goerz lenses were made under license by Ross in London from 1893, they were replaced by Ross designed lenses in the late 1900s.

W. Watson & Sons

London

England

Series 1a. f4.6, 6 ⅛'

Lens Type:

f4.6, 6 ⅛' combined; f8.5, 10' front and back groups. Iris diaphragm, two scales to f32 (combined lens) and f64. Sunk mount. For 5' x 6'.

Serial Number:

With:

The Holostigmat, designed by Conrady, is a combinable lens sometimes sold in sets providing several focal lengths.

The original model, series I of 1901, had an aperture of f6.1 and focal length of 4 - 12' when introduced, later increased to 20'.

This was followed by the series II at f8 in lengths 4 - 26 ½'.

The Ia, c. 1906, was faster at f4.6 with lengths of 4 ⅜ - 14 ⅔'.

Around 1906 a wide-angle model was introduced with lengths of 3.9 - 9.2'.

Lastly a series III for process work was introduced in 1911. This had an aperture of f9.5, later f9, and lengths of 11 ¼ - 26 ½'.

The series II was discontinued in the late 1900s the other models with reduced focal length range were produced into the 1930s.

A.E. Staley & Co.

London

England

Series IV. f6.5, 4 ¾'

Goerz Lens Serial Numbers Online

Lens Type:

Iris diaphragm to f44. Magnalium mount. For 3 ½' x 4 ¾'.

Serial Number:

Developed by E. Arbeit in Germany, introduced by Staley in November 1907.

Based in Berlin, Germany, C. P. Goerz was a manufacturer of lenses and cameras beginning in 1888. In 1926 along with a number of German photographic firms it was absorbed into Zeiss Ikon although several product lines continued under their prior names.^[1]

History

C. P. Goerz was founded in 1886 by Carl Paul Goerz (1854-1923), a salesman who once had been in apprenticeship at Emil Busch in Rathenow and later was partner of Eugen Krauss in Paris. Originally Goerz sold mathematical tools for schools, but from 1887 he added cameras. By taking over F. A. Hintze's workshop in 1888 his company started to make cameras, and was named Optische Anstalt C. P. Goerz from 1890. It was based in Berlin-Friedenau. In 1888 Goerz employed the engineer Carl Moser (1858-1892) and the optician Karl Hertel to start the development of lenses.

Goerz is known primarily for Anschütz cameras, for Doppel-Anastigmat, Hypergon, Artar, Pantar, Tenaxiar, Tenastigmat, Hypar, Hycon, Certar, Gotar, Frontar, Dialyt, Syntor, Celor, Kalostigmat, Paraplanat, Choroskop, Lynkeioskop, Dogmar and Dagor camera lenses , and for Tengor and Tenax cameras, later continued by Zeiss Ikon. Specialties of Goerz were the cameras with 'rouleau-shutter' since the company had the exclusive right to produce the fast focal plane shutter (1/1000sec.) that Ottomar Anschütz (1846-1907) had invented in 1883. These were mainly, but not exclusively, strut folding cameras, known as Ottomar Anschütz or Goerz Anschütz cameras, and many branded Ango as abbreviation for Anschütz and Goerz. The first one was the Anschütz-Moment-Apparat of 1890, a box-form detective camera for 9×12cm plates with a good lens.

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Other products of Goerz were meteorological and aeronautical instruments, binoculars and Alethar repro lenses, gun scopes and another camera shutter, the Sector. In 1903 it founded a department for military optics which became the world's largest military optics maker. Another big success was the making of scientific telescopes. A telescope for viewing a total eclipse and a three-color projector were made for the famous Dr. Adolf Miethe.

In 1895 Goerz founded a branch in New York that started its own production in 1902 and was to become the C. P. Goerz American Optical Co. in 1905 (see here for dating these serial numbers). This company continued to operate independently in the US until 1972. Until WWI many great companies cooperated with Goerz. Rochester Optical Co. Football manager 2021 in-game editor. used Goerz lenses for its Snappa Camera in 1902, Kodak for its No. 3 Folding Pocket Kodak in 1901, and Ross in London got a license to make Dagor double anastigmat lenses already in 1893.

In 1903 Goerz went public. In 1908, Goerz Photochemisches Werk GmbH was founded in Berlin-Zehlendorf. This company produced roll film and film for the movie industry. In 1910 Goerz became owner of the Sendlinger Optische Glaswerke, an optical glass maker near Munich. At that time the company had further factories in Berlin-Friedenau, Vienna, Pressburg (present-day Bratislava), New York and Winterstein. It had offices in Berlin-Friedenau, Paris, London and New York.

During the First World War, Goerz's main production was making optical instruments for the German and Austrian military, but it also started making electrical searchlights. After the war further making of military equipment was forbidden by the Peace Treaty of Versailles. The company tried to make mechanical calculators and other scientific instruments instead but failed to regain its former success.

In 1926 the German branch of Goerz was saved from bankruptcy by being merged with ICA, Contessa-Nettel and Ernemann to form Zeiss Ikon. This had major consequences for the company; the Carl Zeiss company held a majority stake and demanded that the other firms end their lens production. This was the end of the famed Dagor lenses, at least in Europe. Some other production was kept alive in the Goerz factory Berlin, but for the Zeiss Ikon brand. An Austrian branch of C. P. Goerz was still active in the 1950s, introducing an astonishing little subminiature reflex camera with six-element Helgor lens, the Minicord.

Cameras

• Reflex-Ango (strut-folding SLR)
• Reflex-Jagd-Ango (long-focus SLR)
• Plate Tenax (Strut-folding Vest-Pocket Tenax and Coat-Pocket Tenax)
• Rollfilm Tenax (later Roll-Tenax)
• Roll-Pocket Tenax (the 127 film size of Rollfilm Tenax)
• Manufok-Tenax
• Stereotenax
• Stereo-Pocket-Tenax (see Plate Tenax, of which this a stereo model)
• Goerz-Anschütz Stereo-Klapp-Camera
• Piccolissima
• Universal-Reise-Camera Insuperabilis
• Spezial-Ballon-Camera
• Gewehr-kamera (aerial 'gun' camera)^[2]

Shutters

• Goerz-Anschütz rouleau shutter
• Goerz Sektoren-Verschluss

Notes

Goerz Lens Serial Numbers Doreen

1. ↑McKeown, James M. and Joan C. McKeown's Price Guide to Antique and Classic Cameras, 12th Edition, 2005-2006. USA, Centennial Photo Service, 2004. ISBN 0-931838-40-1 (hardcover). ISBN 0-931838-41-X (softcover).
2. ↑Goerz aerial 'gun' camera, with 350 mm f/3.5 Dagor lens and focal plane shutter with speeds 1/15 - 1/800 second, hand-held with two wooden gun-like grips, a trigger release and simple gun-sight finder; sold at the 20th Westlicht Photographica Auction, on 1 November 2011. The listing suggests this is the only known example. The camera was probably used in the First World War.

Literature

• C.P. Goerz & Cie., 'C. P. GOERZ 1886-1911 - Oesterr.-Ung. Optische Anstalt C. P. Goerz Gesellschaft m.b.H', Vienna 1912

Links

• Goerz-Anschütz-Moment-Apparat at www.ottomar-anschuetz.de
• Company history in German at wikipedia.org (in German)
• Goerz American optical catalogues at Camera Eccentric:
• Goerz lens catalog from 1916 at Mike Butkus' Orphan Cameras
• Goerz page at Collection G. Even's site (in French)
• C.P. Goerz American Optical Co. company history and list of cine lenses, at Bolex Collector
• Double-Anastigmat, Dagor and Pantar lenses as well as Syntor and Celor lenses at Japanese website about R. Konishi Rokuoh-Sha (the Home page of this site is now on the owner's Facebook page)
• Goerz (in letter 'G') at Sylvain Halgand's Collection Appareils (in French)