Difference between revisions of "Laack"
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* Dialytar. This name was used on several lenses of different design and maximum aperture. Greenleaf<ref name=G>Greenleaf, Allen R. (1950) ''Photographic Optics''. Macmillan, New York. pp82 & 201-8.</ref> 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. This name was used on several lenses of different design and maximum aperture. Greenleaf<ref name=G>Greenleaf, Allen R. (1950) ''Photographic Optics''. Macmillan, New York. pp82 & 201-8.</ref> 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. | ||
**in Glunz 3x4<ref>[http://www.flickr.com/photos/tony_kemplen/4562718311 pho-Tony via Flickr]</ref> | **in Glunz 3x4<ref>[http://www.flickr.com/photos/tony_kemplen/4562718311 pho-Tony via Flickr]</ref> | ||
| − | * Doppel-Polynar. A simple double-anastigmat, with two cemented doublets.<ref name=G></ref> | + | *Dialytar Series P |
| + | **f/3.5 30cm <ref>brass barrel lens, eBay October 2012</ref> | ||
| + | *Doppelanastigmat Dialytar | ||
| + | *Doppel-Polynar. A simple double-anastigmat, with two cemented doublets.<ref name=G></ref> | ||
| + | **f/6.3 210mm<ref>in IBSO shutter; eBay August 2012</ref> | ||
| + | *Egolyt | ||
| + | **f/4.5 105mm<ref>in IBSO shutter; eBay August 2012</ref> | ||
| + | * Extra Rapid Aplanat | ||
| + | **f/7.7 20cm <ref>Bass barrel lens, eBay October 2012</ref> | ||
* Pololyt. A simple triplet. | * Pololyt. A simple triplet. | ||
| − | **in Altissa Altiflex<ref>[http://www.flickr.com/photos/zniv/4407131766/ zniv via Flickr]</ref> | + | ** f/3,5 3.5cm in [[Altissa]] [[Altix]] I<ref>eBay September 2012</ref> |
| + | ** f/3.9 13.5cm<ref>in IBSO shutter; eBay August 2012</ref> | ||
| + | **f/4.5 75mm in [[Altissa]] [[Altiflex]]<ref>[http://www.flickr.com/photos/zniv/4407131766/ zniv via Flickr].—[http://www.flickr.com/photos/50699409@N07/4686583682/ Gerard Vogels via Flickr]</ref> | ||
| + | **f/4.5 135mm<ref>in plate camera; eBay October 2012</ref> | ||
* Polyplan.<ref>[http://www.fotosidan.se/forum/showthread.php?t=72047 13.5 cm f/7.2 Polyplan] on an unidentified low-price folding plate camera, in Swedish photographic forum [http://www.fotosidan.se/ Fotosidan].</ref> | * Polyplan.<ref>[http://www.fotosidan.se/forum/showthread.php?t=72047 13.5 cm f/7.2 Polyplan] on an unidentified low-price folding plate camera, in Swedish photographic forum [http://www.fotosidan.se/ Fotosidan].</ref> | ||
| + | ** f/7.2 135mm in IBSO<ref>Loose lens in shutter, eBay October 2012</ref> | ||
* 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).<ref name=G></ref> | * 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).<ref name=G></ref> | ||
* Regulyt. A simple triplet. | * Regulyt. A simple triplet. | ||
* Schnellarbeiter. This lens appears on Ferrotype cameras by more than one maker.<ref>[http://www.christies.com/LotFinder/lot_details.aspx?intObjectID=1268439 ''Ertee'' 'cannon' camera] by Romain Talbot, for 'button' ferrotypes, with Laack 6 cm f/3.5 Schnellarbeiter lens, in a past [http://www.christies.com/ Christie's] auction catalogue.</ref> | * Schnellarbeiter. This lens appears on Ferrotype cameras by more than one maker.<ref>[http://www.christies.com/LotFinder/lot_details.aspx?intObjectID=1268439 ''Ertee'' 'cannon' camera] by Romain Talbot, for 'button' ferrotypes, with Laack 6 cm f/3.5 Schnellarbeiter lens, in a past [http://www.christies.com/ Christie's] auction catalogue.</ref> | ||
| + | *Texon | ||
| + | **f/3.5 5.5cm<ref>Barrel lens (for enlarger?), eBay October 2012</ref> | ||
===Notes=== | ===Notes=== | ||
Revision as of 08:43, 15 October 2012
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| Laack Padie 9x12 camera with Omfa Muenchen (Munich) Doppel-Anastigmat Correktar f4.5 135mm in a Rulex shutter image by PhotoShop Guru (Image rights) |
Julius Laack & Soehne was a camera and lens maker, based in the German town Rathenow. McKeown[1] 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.[2]
Laack lenses, especially the Pololyt, appear on other companies' cameras including the Altissa Altiflex and Altix, Welta Reflekta and KW Pilot Super. Laack also made cine lenses.
Cameras
- Ferrotype camera, c1895
- Gazelle Tropical. 9×12 cm tropical folding plate camera. Pololyt or Dialytar lens and Compur or Ibsor shutter.
- 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[3]
- 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).
- Wanderer. 6.5×9 cm folding plate camera
- Meteor
- Name? Horizontal 9x12 folding plate camera with Polyplan f/7.2 135mm [4]
- Name? Horizontal 9x12 folding stereo plate camera with Dialyar f/7.2 135mm in Pronto [5]
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| Laack 5 cm f/2.7 Dialytar on a 3x4 cm camera by Glunz image by Tony Kemplen (Image rights) |
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| Laack 16.5 cm f/4.5 lens identified simply as 'Doppel Anastigmat', for a large format (probably 4×5 inch) camera. Images by Ladenla (Image rights) |
Lenses
- Dialytar. This name was used on several lenses of different design and maximum aperture. Greenleaf[6] 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.
- in Glunz 3x4[7]
- Dialytar Series P
- f/3.5 30cm [8]
- Doppelanastigmat Dialytar
- Doppel-Polynar. A simple double-anastigmat, with two cemented doublets.[6]
- f/6.3 210mm[9]
- Egolyt
- f/4.5 105mm[10]
- Extra Rapid Aplanat
- f/7.7 20cm [11]
- Pololyt. A simple triplet.
- Polyplan.[16]
- f/7.2 135mm in IBSO[17]
- 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).[6]
- Regulyt. A simple triplet.
- Schnellarbeiter. This lens appears on Ferrotype cameras by more than one maker.[18]
- Texon
- f/3.5 5.5cm[19]
Notes
- ↑ 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.
- ↑ Die Geschichte der optischen Industrie in Rathenow II (History of the optical industry in Rathenow part II) at Kompetenzzentrum Optik Rathenow (Rathenow Optics Centre)
- ↑ Photoshop Guru
- ↑ body 152mm x 145 m; ebay October 2012.
- ↑ Yeshen Venema via Flickr
- ↑ 6.0 6.1 6.2 Greenleaf, Allen R. (1950) Photographic Optics. Macmillan, New York. pp82 & 201-8.
- ↑ pho-Tony via Flickr
- ↑ brass barrel lens, eBay October 2012
- ↑ in IBSO shutter; eBay August 2012
- ↑ in IBSO shutter; eBay August 2012
- ↑ Bass barrel lens, eBay October 2012
- ↑ eBay September 2012
- ↑ in IBSO shutter; eBay August 2012
- ↑ zniv via Flickr.—Gerard Vogels via Flickr
- ↑ in plate camera; eBay October 2012
- ↑ 13.5 cm f/7.2 Polyplan on an unidentified low-price folding plate camera, in Swedish photographic forum Fotosidan.
- ↑ Loose lens in shutter, eBay October 2012
- ↑ 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.
- ↑ Barrel lens (for enlarger?), eBay October 2012
Links
- Laack 9×12 cm tropical camera with 13.5 cm Poloyt and Rulex shutter, in a past Breker auction listing (on the left of the picture).
- 1 inch f/1.3 Cine-Polyxentar cine lens, 1930s (as estimated by owner) in Japanese blog Hubbell's Photo Leaf.
- K.W. Box Reflex with a 10.5 cm f/4.5 Pololyt, at Early Photography
- Laack 13.5 cm enlarging lens at ksmt.com, the website of a Japanese lens collector (he has tried the lens for photography with a DSLR; example photos are linked from this page).
