Laack

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Julius Laack, later Julius Laack Soehne,[1] was a camera and lens maker, based at Curlandstrasse 60, Rathenow (Brandenburg, Germany).[2] McKeown[3] lists a ferrotype camera from 1895, and a number of folding plate cameras. Laack lenses were used on smaller-format cameras at least up to the Second World War. In the time of the German Democratic Republic the company became state-owned and was part of VEB Rathenower Optische Werke (ROW), together with Emil Busch and Nitsche and Gunthe.[4]

Laack lenses, especially the Pololyt, appear on other German companies' cameras including the Altissa Altiflex and Altix, Welta Reflekta and KW Pilot Super. Laack also made cine lenses.


Cameras

  • Ferrotype camera ('Ferrotype Cannon'), c1895
  • Gazelle Tropical. 9×12 cm tropical folding plate camera. Pololyt or Dialytar lens and Compur or Ibsor shutter.[5]
  • Graziella
  • Merkur. 10×15 cm folding plate camera. Polyxentar f/6.8 lens and Koilos shutter.
  • Padie. 9×12 cm vertical folding plate camera. Pololyt f/6.8 lens and Rulex shutter.
  • Padie "Luxus" D
    • Omfa Muenchen (Munich) Doppel-Anastigmat Correktar f4.5 135mm and Rulex shutter[6]
    • Laack 4,5 Doppel Anastigmat in a Rulex shutter
  • Roland Reise Kamera
  • Saturn
  • Sport-Camera. Folding press camera with focal plane shutter. 6.5×9, 9×12 or 10×15 cm. Dialytar lens (various maximum apertures).
  • Stereo Camera with Dialytar Series T f/6.3 15cm in Stereo Pronto[7]
  • Wanderer. 6.5×9 cm folding plate camera[8]
  •  ? Meteor [9]
  • Name? Horizontal 9x12 folding plate camera with Polyplan f/7.2 135mm in Vario shutter[10]
  • Name? Horizontal 9x12 folding stereo plate camera with Dialyar f/7.2 135mm in Pronto [11]






Lenses

Laack produced a wide range of lenses for still photo and cine cameras as well as enlargers.[12][13]

  • Cine-lens, a Petzval design
  • Cine-Pololyt, a Cooke design for 16mm cine cameras
  • Cine-Polyxentar, a Cooke design for 8 and 16mm cine cameras
  • Dialytar. This name was used on several lenses of different design and maximum aperture. Greenleaf[13] lists three designs; one is a simple triplet, one (Series T!) a Tessar-type, and one a four-element lens like a Tessar, but with the two parts of the rear group not cemented, and with an air space.
  • Dialytar Series P
  • Dialytar Series T
    • f/3.5 15cm in Compur[18]
    • f/6.3 15cm in Pronto[19]
  • Doppelanastigmat Dialytar
  • Doppel-Polynar. A simple double-anastigmat, with two cemented doublets.[13]
  • Egotar
  • Egolyt
  • Extra Rapid Aplanat
  • Pololyt. A simple triplet.
  • Polyplan.
    • f/7.2 135mm in IBSO[32]
    • f/7.2 135mm in Pronto[33]
    • f/7.2 135mm in Vario[34]
  • Polyxentar. A double-anastigmat; either composed of two cemented triplets (f/6.8) or of two triplets with only the outermost pair of each cemented (f/4.5).[13]
  • Regulyt. A simple triplet.
  • Schnellarbeiter. This lens appears on Ferrotype cameras by more than one maker.[35]
  • Texon
  • Vergrösserungs Anastigmat Enlarger Lens

Notes

  1. One of the sons was Ernst Laack (Listed as German soldier in WWI: Zeitschrift der Deutschen Gesellschaft für Mechanik und Optik 1914, p.272)
  2. Henney, Keith, Handbook of photography. London: Whittlesey House, 1939. P. 59.
  3. 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). p592.
  4. Die Geschichte der optischen Industrie in Rathenow II (History of the optical industry in Rathenow part II) at Kompetenzzentrum Optik Rathenow (Rathenow Optics Centre)
  5. wit Pololyt f/4.5 135mm
  6. Photoshop Guru
  7. s/n 59344) Yeshen Venema's site
  8. Pololyt f/4.5 105mm; eBay September 2012
  9. This model isn't in McKeown: can anyone confirm it?
  10. body 152mm x 145 m; ebay October 2012.
  11. Yeshen Venema via Flickr
  12. 12.0 12.1 12.2 12.3 12.4 Cite error: Invalid <ref> tag; no text was provided for refs named Henney
  13. 13.0 13.1 13.2 13.3 Greenleaf, Allen R. (1950) Photographic Optics. Macmillan, New York. pp82 & 201-8.
  14. pho-Tony via Flickr
  15. Laack Rathenow Doppel Anastigmat Dialytar in Wanderer? 9x12
  16. brass barrel lens, eBay October 2012
  17. brass barrel lens, eBay October 2012
  18. [http://www.enter-net.de/auktion/photo/laack.htm Enter-net de
  19. Stereo Camera, lens s/n 59344) Yeshen Venema's site
  20. Laack Rathenow in Compur LP Auktioner
  21. in IBSO shutter; eBay August 2012
  22. eBay October 2012
  23. in IBSO shutter; eBay August 2012
  24. Bass barrel lens, eBay October 2012
  25. eBay September 2012
  26. eBay October 2012
  27. in IBSO shutter; eBay August 2012
  28. zniv via Flickr.—Gerard Vogels via Flickr
  29. in Wanderer plate camera; eBay September 2012
  30. in plate camera; eBay October 2012
    with Pololyt f/4.5 135mm
    Laack Rathenow s/n 91253 in IBSO (Romanian on-line auction, November 2012).
    Laack Rathenow s/n 102664 in Compur (eBay March 2011).
  31. Now defunct German on-line auction system
  32. s/n 17553 "Julius Laack Söhne Rathenow"; loose lens in shutter, eBay October 2012
  33. s/n 22451 "Julius Laack Söhne Rathenow"; 9x12 plate camera (Wanderer /) in Fotosidans Forum.
  34. s/n 12938 "Laack"; almost square 12 x 9 camera; ebay October 2012
    s/n 55072 "Julius Laack Söhne Rathenow"; eBay January 2012.
  35. Ertee 'cannon' camera by Romain Talbot, for 'button' ferrotypes, with Laack 6 cm f/3.5 Schnellarbeiter lens, in a past Christie's auction catalogue.
  36. Barrel lens (for enlarger?), eBay October 2012
  37. sn 268433 blog.sina.com.cn
  38. Brass barrel lens, eBay October 2012
  39. Bay October 2012
  40. Bay October 2012


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