Difference between revisions of "Laack"

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'''Julius Laack''', later '''Julius Laack Soehne''',<ref>One of the sons was Ernst Laack (Listed as German soldier in WWI: ''Zeitschrift der Deutschen Gesellschaft für Mechanik und Optik'' 1914, p.272)</ref> was a camera and lens maker, based at Curlandstrasse 60, Rathenow (Brandenburg, Germany).<ref name=Kingslake> Kingslake, R (1939) The Development of the Photographic Objective. in:  Keith Henney, <i>Handbook of photography.</i> (London: Whittlesey House, pp.37-68, esp. p. 59.</ref>  The company seems to have started in 1884.<ref name=BJA1934>The 50th anniversary of the company is mentioned for 1934: ''[[The British Journal Photographic Almanac]] and Photographer's Daily Companion'' 1934, p309.</ref> McKeown<ref>{{McKeown12}} p592.</ref> 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. During 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 Günther.<ref>[http://www.optikrathenow.de/optik/de/ge_a02.html Die Geschichte der optischen Industrie in Rathenow II] (History of the optical industry in Rathenow part II) at [http://www.optikrathenow.de/optik/index.html Kompetenzzentrum Optik Rathenow] (Rathenow Optics Centre)</ref>
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'''Julius Laack''', later '''Julius Laack Soehne''',<ref>One of the sons was Ernst Laack (Listed as German soldier in WWI: ''Zeitschrift der Deutschen Gesellschaft für Mechanik und Optik'' 1914, p.272)</ref> was a camera and lens maker, based at Curlandstrasse 60, Rathenow (Brandenburg, Germany).<ref name=Kingslake> Kingslake, R (1939) The Development of the Photographic Objective. in:  Keith Henney, <i>Handbook of photography.</i> (London: Whittlesey House, pp.37-68, esp. p. 59.</ref>  The company seems to have started in 1884.<ref name=BJA1934>The 50th anniversary of the company is mentioned for 1934: ''British Journal Photographic Almanac and Photographer's Daily Companion'' 1934, p309.</ref> McKeown<ref>{{McKeown12}} p592.</ref> 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. During 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 Günther.<ref>[http://www.optikrathenow.de/optik/de/ge_a02.html Die Geschichte der optischen Industrie in Rathenow II] (History of the optical industry in Rathenow part II) at [http://www.optikrathenow.de/optik/index.html Kompetenzzentrum Optik Rathenow] (Rathenow Optics Centre)</ref>
 
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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.
 
  
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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 a range of cine lenses as well as filters. In addition, Laack worked on other photographic implementations, such as film testers.<ref>[https://worldwide.espacenet.com/patent/search?q=pn%3DDE559983C German Patent DE559983], 'Vorrichtung zum Prüfen von Filmen' filed 28 April 1928 and granted 27 September 1932 to Julius Laack Söhne, Rathenow, at [http://worldwide.espacenet.com/ Espacenet], the patent search facility of the European Patent Office.</ref>
  
 
==Cameras==
 
==Cameras==
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'Ferrotype Cannon' c1895
 
'Ferrotype Cannon' c1895
 
====Gazelle Tropical====
 
====Gazelle Tropical====
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9&times;12 cm tropical folding plate camera. Pololyt or Dialytar lens and Compur or Ibsor shutter.<ref>[http://www.flickr.com/photos/69497336@N02/8110435580 wit Pololyt f/4.5 135mm]</ref>
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9&times;12 cm tropical folding plate camera. Pololyt or Dialytar lens and Compur or Ibsor shutter.<ref>Seen with Pololyt f/4.5 135mm on Flickr</ref>
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====Graziella====
 
====Graziella====
 
====Merkur====
 
====Merkur====
 
10&times;15 cm folding plate camera. Polyxentar f/6.8 lens and Koilos shutter.
 
10&times;15 cm folding plate camera. Polyxentar f/6.8 lens and Koilos shutter.
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|image_text= Laack Padie 9x12 camera <br>with Omfa München Doppel-Anastigmat Correktar<br> f4.5 135mm in a Rulex shutter
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====Padie====
 
====Padie====
 
9&times;12 cm vertical folding plate camera. Pololyt f/6.8 lens and Rulex shutter.
 
9&times;12 cm vertical folding plate camera. Pololyt f/6.8 lens and Rulex shutter.
 
====Padie "Luxus" D====  
 
====Padie "Luxus" D====  
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* Omfa Muenchen (Munich) Doppel-Anastigmat Correktar f4.5 135mm  and Rulex shutter<ref>[http://www.flickr.com/photos/photoplastic/3131773204  Photoshop Guru]</ref>
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* Omfa München (Munich) Doppel-Anastigmat Correktar f4.5 135mm  and Rulex shutter<ref>[http://www.flickr.com/photos/photoplastic/3131773204  Photoshop Guru]</ref>
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* Laack 4,5 Doppel Anastigmat in a Rulex shutter
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* Laack 4.5 Doppel Anastigmat in a Rulex shutter
 
====Roland Reise Kamera====
 
====Roland Reise Kamera====
 
====Saturn====
 
====Saturn====
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====Stereo Camera====
 
====Stereo Camera====
 
12 x 9 folding stereo plate camera
 
12 x 9 folding stereo plate camera
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*with Dialytar Series T f/6.3 15cm in Stereo Pronto<ref>[http://yeshenvenema.com/blog/magic-machines-1-laack-rathenow-dialytar s/n 59344)  Yeshen Venema's site] and [http://www.flickr.com/photos/yeshen/8082462851/in/photostream/ Yeshen Venema  via Flickr]</ref>
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*with Dialytar Series T f/6.3 15cm in Stereo Pronto<ref>[https://www.yeshen.uk/blog/magic-machines-1-laack-rathenow-dialytar s/n 59344)  Yeshen Venema's site] and [http://www.flickr.com/photos/yeshen/8082462851/in/photostream/ Yeshen Venema  via Flickr]</ref>
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====Wanderer====
 
====Wanderer====
 
6.5&times;9 cm folding plate camera<ref>Pololyt  f/4.5 105mm; eBay September 2012</ref>
 
6.5&times;9 cm folding plate camera<ref>Pololyt  f/4.5 105mm; eBay September 2012</ref>
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== Lenses ==
 
== Lenses ==
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Laack was first and foremost an optical company making lenses for cameras, binocluars and microscopes. Laack produced a wide range of lenses for still photo and cine cameras as well as enlargers.<ref name=Kingslake /><ref name=G>Greenleaf, Allen R. (1950) ''Photographic Optics''. Macmillan, New York. pp82 & 201-8.</ref> An advertisement in 1934 claimed that over 500,000 lenses had been produced by Laack and Laack Söhne.<ref name=BJA1934 />  
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Laack was first and foremost an optical company making lenses for cameras, binocluars and microscopes. Laack produced a wide range of lenses for still photo and cine cameras as well as enlargers.<ref name=Kingslake /><ref name=G>Greenleaf, Allen R. (1950) ''Photographic Optics''. Macmillan, New York. pp82 & 201-8.</ref> An advertisement in 1934 claimed that over 500,000 lenses had been produced by Laack and Laack Söhne.<ref name=BJA1934 /> Well-known names are Dialytar, Pololyt and Texon. A listing of [[Laack lenses]] is provided as a [[Laack lenses | separate entry]].
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===Standard Lenses===
 
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====Atelier Schnellarbeiter====
 
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A Petzval type lens<ref>Schnellarbeiter (literally 'fast worker') was a lens design and term appears on Ferrotype cameras by more than one maker.</ref>
 
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* Laack 6 cm f/3.5 Schnellarbeiter lens,<ref>On a [http://www.christies.com/LotFinder/lot_details.aspx?intObjectID=1268439 ''Ertee'' 'cannon' camera] by Romain Talbot, for 'button' ferrotypes.</ref>
 
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====Dialytar====
 
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This name was used on several lenses of different design and maximum aperture. Greenleaf<ref name=G /> 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.
 
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*'''Dialytar'''
 
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**f/2.7 50mm
 
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***in Glunz 3x4<ref>[http://www.flickr.com/photos/tony_kemplen/4562718311 pho-Tony via Flickr]</ref>
 
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**f/4.5 135mm
 
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***in Wanderer? 9x12 <ref>[http://www.collection-appareils.fr/phpBB3/viewtopic.php?f=19&t=5480 Laack Rathenow Doppel Anastigmat Dialytar ]</ref>
 
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** f/4.5 210mm<ref>[http://www.dorotheum.com/en/auction-detail/auction-9157-klassische-fotoapparate-und-zubehor/lot-1212997-reisekamera-um-1880.html brass lens in Reisekamera] (Dorotheum Auctions 2011 lot 404)</ref>
 
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** f/4.5 25cm barrel lens<ref>s/n 420326; Küllenberg Essen Laack; brass barrel lens, eBay October 2012</ref>
 
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** f/6.3 21cm barrel lens<ref>eBay November 2012</ref>
 
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*'''Dialytar Series P'''
 
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**f/3.5 30cm <ref>brass barrel lens, eBay October 2012</ref>
 
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*'''Dialytar Series T'''
 
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**f/3.5 15cm in Compur shutter<ref>[http://www.enter-net.de/auktion/photo/laack.htm Enter-net de</ref>
 
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**f/4.5 13.5 cmin Compur shutter <ref>Laack Rathenow [http://auktion.lpfoto.se/auk/w.Object?inSiteLang=SWEDISH&inC=LP&inA=20091106_1531&inO=12 LP Auktioner ]</ref>
 
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**f/6.3 15cm in Pronto shutter<ref>[http://yeshenvenema.com/blog/magic-machines-1-laack-rathenow-dialytar Stereo Camera, lens s/n 59344)  Yeshen Venema's site]</ref>
 
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*'''Dialytar Weitwinkel'''
 
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**f/8.7 13.5cm<ref>Barrel lens, s/n202452 Laack Rathenow; eBay November 2012</ref>
 
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*'''Doppelanastigmat Dialytar'''
 
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**f/4.5 13.5 cm in Compur shutter<ref>[http://www.flickr.com/photos/antcupa/4678228497/ Laack Rathenow s/n 132368]  via Flickr</ref>
 
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====Doppel-Polynar====
 
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A simple double-anastigmat, with two cemented doublets.<ref name=G></ref>
 
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*f/6.3 210mm<ref>in IBSO shutter; eBay August 2012</ref>
 
−
 
 
−
====Egotar====
 
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*f/2.9 50mm
 
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**in [[Wirgin]] [[Edinex]]<ref>eBay October 2012</ref>
 
−
 
 
−
====Egolyt====
 
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*f/4.5 105mm<ref>in IBSO shutter; eBay August 2012</ref>
 
−
 
 
−
====Extra Rapid Aplanat====
 
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*f/7.7 19cm <ref>[http://www.artfact.com/auction-lot/6-brass-lenses-starting-price-eur-125-5-p-b8601aea06 Brass barrel lens, Breker September 25, 2010 Lot 299]</ref>
 
−
*f/7.7 20cm <ref>Brass barrel lens, eBay October 2012</ref>
 
−
 
 
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====Pololyt====
 
−
A simple triplet.
 
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* f/3.5 2.5cm
 
−
**Köhnlein Wiko with interchangeable Pololyt<ref>[http://www.artfact.com/auction-lot/wiko-camera-33-p-1ymn3orf8d Christies 2005 Lot 219]</ref>
 
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* f/3.5 3.5cm
 
−
**in [[Altissa]] [[Altix]] I<ref>eBay September 2012</ref>
 
−
**Köhnlein Wiko with fixed Pololyt<ref>[http://www.artfact.com/auction-lot/wiko-camera-34-p-5flr9u5d66 Christies 2005 Lot 218]</ref>
 
−
* f/3.5 7.5cm
 
−
**in Welta [[Reflekta]] |<ref>[http://www.flickr.com/photos/andrys_stienstra/3090721892 ROW Pololyt 1:3,5 f=75mm  602534 in Blitz I shutter]</ref>
 
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* f/3.5 8cm
 
−
**in [[KW]] [[Pilot Super]] <ref>eBay October  2012</ref>
 
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* f/3.9 13.5cm<ref>in IBSO shutter; eBay August 2012</ref>
 
−
**in an [[Ihagee]] Patent Deluxe 9x12cm (fitted in IBSOR shuttter)<ref> [http://www.flickr.com/photos/photo_secessionist/1372300486/ s/n 128241 Laack-Rathenow] via Flickr</ref>
 
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*f/4.5 75mm
 
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**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>
 
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*f/4.5 105mm
 
−
**in [[KW]] Box Reflex<ref>s/n 222626 [http://www.earlyphotography.co.uk/site/entry_C53.html#C53 K.W. Box Reflex] at [http://www.earlyphotography.co.uk/ Early Photography]</ref>
 
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** in a Laack Wanderer<ref>eBay September 2012</ref>
 
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** in a Laack Gazelle Tropical<ref>[http://www.artfact.com/auction-lot/tropical-hand-camera-german-6-x-9cm.,-with-poli-6-p-95479d595a Laack Gazelle Tropical 6x9] with Laack Rathenow s/n 151980</ref>
 
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*f/4.5 135mm<ref>Laack Rathenow s/n 91253 in IBSO (Romanian on-line auction, November 2012).<br>Laack Rathenow s/n 102664 in Compur (eBay March 2011).</ref>
 
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**in a Laack Gazelle Tropical <ref>[http://www.flickr.com/photos/69497336@N02/8110435580 Laack Gazelle Tropical] via Flickr</ref>
 
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**in a  Laack Wanderer<ref> in plate camera; eBay October 2012</ref>
 
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**in a Welta 9x12 (fitted in Compur)<ref>[http://www.flickr.com/photos/quadralectics/3057841057 Laack Rathenow s/n 103031] via Flickr</ref>
 
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*f/6.3 <ref>Now defunct German on-line auction system </ref>
 
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====Polynar====
 
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* Polynar
 
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**f/6.8 42mm
 
−
***in C.E.Nei Knirps 3x3<ref>[http://www.artfact.com/auction-lot/knirps-camera-29-p-1wwuhyx50v Cjhrisies 2006 Lot 436]; [http://www.artfact.com/auction-lot/knirps-camera-27-p-nj425451qx Christies 2007 lot 333]</ref>
 
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* Polynar C
 
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**f/6.8 13.5cm
 
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***in a [[Ica Halloh| ICA Halloh 511]] <ref>[http://www.museum-digital.de/san/index.php?t=objekt&suinin=2&extern=yes&exWho=2&oges=4786 Laack Söhne Rathenow s/n 31072]</ref>
 
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* Polynar C1
 
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**f/6.8 190mm
 
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***for military application<ref>[http://www.auktionshaus-behringer.de/katalog/show_gegenstaende.php?auktion=13&klasse=13&pageID=4 s/n 27658 Jul. Laack Söhne, Rathenow]</ref>
 
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|image_text= Laack Polyplan f/7.2 135mm in Vario shutter
 
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|image_by= Dirk HR Spennemann
 
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====Polyplan====
 
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A simple double-anastigmat, with two cemented doublets.
 
−
* f/7.2 135mm in IBSO shutter<ref>s/n 17553 "Julius Laack Söhne Rathenow"; loose lens in shutter, eBay October 2012</ref>
 
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* f/7.2 135mm in Pronto shutter<ref>s/n 22451 "Julius Laack Söhne Rathenow"; [http://www.fotosidan.se/forum/showthread.php?t=72047 9x12 plate camera] (Wanderer /) in Fotosidans Forum.</ref>
 
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* f/7.2 135mm in Vario shutter<ref>[http://www.flickr.com/photos/heritagefutures/8217522338  s/n 12938 "Laack" almost square  12 x 9 camera]via Flickr<br>s/n 55072 "Julius Laack Söhne Rathenow"; eBay January 2012.</ref>
 
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====Polyxentar====
 
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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>
 
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====Regulyt====
 
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A simple triplet.
 
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====Texon====
 
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*f/2.7 25mm
 
−
** on a Victor Modell 5 16mm cine camera<ref>s/n 195656  on-line Auction Germany</ref>
 
−
** on a Schalie Collée camera 16mm<ref>s/n 195466. [http://www.artfact.com/auction-lot/schalie-collee-camera-no.-241-28-p-fhqt3w721i Christies 2007, lot 63]</ref>
 
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*f/3.5  5.5cm<ref>Barrel lens (for enlarger?), s/n 405856 Laack Rathenow; eBay October 2012</ref>
 
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*f/4.5  7.5cm <ref>[http://blog.sina.com.cn/s/blog_47d0c1af010123k6.html  sn 268433] blog.sina.com.cn</ref>
 
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*f/4.5  10.5cm<ref>s/n 48xxxx [http://ameblo.jp/blackcamerakan/entry-10221656690.html Brass barrel lens] (Black Kamera Kan)</ref>
 
−
*f/4.5  11.5cm<ref>s/n 261977, Laack Rathenow, brass barrel lens, eBay October 2012</ref>
 
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===Cine Lenses===
 
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====Cine-lens====
 
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A Petzval design
 
−
*f/2 15 to 85mm<ref name=Kingslake />
 
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====Cine-Pololyt====
 
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A Cooke design for 16mm cine cameras
 
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*f/2 25mm<ref name=Kingslake />
 
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====Cine-Polyxentar====
 
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ACooke design for 8 and 16mm cine cameras
 
−
*f/1.3 12.5mm<ref name=Kingslake />
 
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*f/1.5 25mm<ref name=Kingslake />
 
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−
===Enlarger Lenses===
 
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====Konkretar====
 
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*f/4/5 80mm<ref>eBay November 2012</ref>
 
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====Vergrösserungs Anastigmat====
 
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*f/4.5 7.5 cm<ref>eBay October 2012</ref>
 
−
*f/4.5 10.5 cm<ref>eBay October 2012</ref>
 
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===Lens Designs===
 
−
In addition, there are a number of lens designs on record. It is not clear whether any of these were ever put into production. The wide maximum apertures suggest these are cine lenses.
 
−
*f/1.4 100 mm Design nº 1<ref>Julius Laack Söhne1938 DCE 0 665 520 [http://dioptrique.info/OBJECTIFS17/00828/00828.HTM dioptrique.info]</ref>
 
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*f/1.4 100 mm Design nº 2<ref>Julius Laack Söhne1938 DCE 0 665 520 II [http://dioptrique.info/OBJECTIFS17/00829/00829.HTM dioptrique.info]</ref>
 
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* f/1.35 3 cm<ref>[http://worldwide.espacenet.com/publicationDetails/originalDocument?CC=DE&NR=665520C&KC=C&FT=D&ND=3&date=19380927&DB=worldwide.espacenet.com&locale=en_EP German Patent 665520], filed 1934 and granted 1938, at [http://worldwide.espacenet.com/?locale=en_EP Espacenet], the patent search facility of the European Patent Office.</ref>
 
  
 
==Links==
 
==Links==
 
* [http://www.kameramuseum.de/0-fotokameras/grossbild/laack/plattenkam-laack.html Laack 9&times;12 cm] with Rathenow Polyplan f/7.2 135 mm  in Vario (Camera Collection Kurt Tauber)
 
* [http://www.kameramuseum.de/0-fotokameras/grossbild/laack/plattenkam-laack.html Laack 9&times;12 cm] with Rathenow Polyplan f/7.2 135 mm  in Vario (Camera Collection Kurt Tauber)
 
* [http://www.liveauctioneers.com/item/8777603 Laack 9&times;12 cm tropical camera] with 13.5 cm Poloyt and Rulex shutter, in a past Breker auction listing (on the left of the picture).
 
* [http://www.liveauctioneers.com/item/8777603 Laack 9&times;12 cm tropical camera] with 13.5 cm Poloyt and Rulex shutter, in a past Breker auction listing (on the left of the picture).
−
* [http://hubbell.typepad.jp/my-blog/2010/03/laak-anastigmat-cinepolyxentar_20100317.html 1 inch f/1.3 Cine-Polyxentar] cine lens, 1930s (as estimated by owner) in Japanese blog [http://hubbell.typepad.jp/my-blog/ ''Hubbell's Photo Leaf''].
 
 
* [http://www.earlyphotography.co.uk/site/entry_C53.html#C53 K.W. Box Reflex] with a 10.5 cm f/4.5 Pololyt, at [http://www.earlyphotography.co.uk/ Early Photography]
 
* [http://www.earlyphotography.co.uk/site/entry_C53.html#C53 K.W. Box Reflex] with a 10.5 cm f/4.5 Pololyt, at [http://www.earlyphotography.co.uk/ Early Photography]
−
* [http://www.ksmt.com/eos10d/eos_nikki_body8.htm#060319 Laack 13.5 cm enlarging lens] at [http://www.ksmt.com/ ksmt.com], the website of a Japanese lens collector (he has tried the lens for photography with a DSLR; example photos are linked from [http://www6.atpages.jp/~ksmtcom/classic2.htm#62 this page]).
+
* [http://collectiblend.com/Cameras/Laack-Julius/ Julius Laack] cameras at [http://collectiblend.com/Cameras/ CollectiBlend] Price Guide
  
 
==Notes==
 
==Notes==

Latest revision as of 05:58, 27 March 2022

Julius Laack, later Julius Laack Soehne,[1] was a camera and lens maker, based at Curlandstrasse 60, Rathenow (Brandenburg, Germany).[2] The company seems to have started in 1884.[3] McKeown[4] 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. During 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 Günther.[5]

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 a range of cine lenses as well as filters. In addition, Laack worked on other photographic implementations, such as film testers.[6]

Cameras

Ferrotype camera

'Ferrotype Cannon' c1895

Gazelle Tropical

9×12 cm tropical folding plate camera. Pololyt or Dialytar lens and Compur or Ibsor shutter.[7]

Graziella

Merkur

10×15 cm folding plate camera. Polyxentar f/6.8 lens and Koilos shutter.

3130942997_40bcb6193d_n.jpg
Laack Padie 9x12 camera
with Omfa München Doppel-Anastigmat Correktar
f4.5 135mm in a Rulex shutter
image by PhotoShop Guru (Image rights)

Padie

9×12 cm vertical folding plate camera. Pololyt f/6.8 lens and Rulex shutter.

Padie "Luxus" D

  • Omfa München (Munich) Doppel-Anastigmat Correktar f4.5 135mm and Rulex shutter[8]
  • 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

12 x 9 folding stereo plate camera

  • with Dialytar Series T f/6.3 15cm in Stereo Pronto[9]

Wanderer

6.5×9 cm folding plate camera[10]

? Meteor

Existence not certain[11]

Name? Horizontal

  • 12 x 9 folding plate camera with Polyplan f/7.2 135mm in Vario shutter[12]



8082462851_2db8a4e662_n.jpg
8082452950_ae05b33617_n.jpg
8082461573_df08219432_n.jpg

Laack Rathenow Dialytar, Stereoscopic
images by yeshenvenema (Image rights)



8217522338_c31fb5387e_n.jpg
8216430345_95937df862_n.jpg
8216322145_1c4e854d48_n.jpg
8217503864_b90f001f58_n.jpg
8216347467_25acea8ff7_n.jpg
8217178060_8faa29415a_n.jpg

Laack 12 x 9 Triple Expansion Camera
images by Dirk HR Spennemann (Image rights)



4562718311_98ce1a41a7.jpg
Laack 5 cm f/2.7 Dialytar on a 3x4 cm camera by Glunz
image by Tony Kemplen (Image rights)
5583160480_a16d0d713a.jpg
5582572807_0bde9d1c27.jpg
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

Laack was first and foremost an optical company making lenses for cameras, binocluars and microscopes. Laack produced a wide range of lenses for still photo and cine cameras as well as enlargers.[2][13] An advertisement in 1934 claimed that over 500,000 lenses had been produced by Laack and Laack Söhne.[3] Well-known names are Dialytar, Pololyt and Texon. A listing of Laack lenses is provided as a separate entry.

Links

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. ↑ 2.0 2.1 Kingslake, R (1939) The Development of the Photographic Objective. in: Keith Henney, Handbook of photography. (London: Whittlesey House, pp.37-68, esp. p. 59.
  3. ↑ 3.0 3.1 The 50th anniversary of the company is mentioned for 1934: The British Journal Photographic Almanac and Photographer's Daily Companion 1934, p309.
  4. ↑ 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.
  5. ↑ Die Geschichte der optischen Industrie in Rathenow II (History of the optical industry in Rathenow part II) at Kompetenzzentrum Optik Rathenow (Rathenow Optics Centre)
  6. ↑ German Patent DE559983, 'Vorrichtung zum Prüfen von Filmen' filed 28 April 1928 and granted 27 September 1932 to Julius Laack Söhne, Rathenow, at Espacenet, the patent search facility of the European Patent Office.
  7. ↑ Seen with Pololyt f/4.5 135mm on Flickr
  8. ↑ Photoshop Guru
  9. ↑ s/n 59344) Yeshen Venema's site and Yeshen Venema via Flickr
  10. ↑ Pololyt f/4.5 105mm; eBay September 2012
  11. ↑ This model isn't in McKeown: can anyone confirm it?
  12. ↑ body 152mm x 145 m; ebay October 2012.
  13. ↑ Greenleaf, Allen R. (1950) Photographic Optics. Macmillan, New York. pp82 & 201-8.
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