Difference between revisions of "Kodak Duo Six-20"

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The '''Duo Six-20''' is a 4.5×6 horizontal folder made by [[Kodak AG]] from 1933.
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The '''Duo Six-20''' is a 4.5×6 horizontal folder made by [[Kodak AG]] from 1934 to 1940. As the name implies, it utilized 620 roll film.
  
The '''original model''' has a folding optical finder and a key for film advance on the left of the top plate.
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The '''original model''' has a folding optical finder and a key for film advance on the left of the top plate. Produced from 1934 to 1937, it originally sold for $57.50<ref name="huffy49">History of Kodak Cameras at www.kodak.com</ref> (app. $900 USD in 2007).
  
The '''Duo Six-20 Series II''', released in 1937, has modified folding struts, a chrome top plate, an advance knob and an accessory shoe.  
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{{Flickr_image
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|image_source= http://www.flickr.com/photos/26092923@N02/3026355504/in/pool-camerapedia
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|image= http://farm4.static.flickr.com/3002/3026355504_543402240a_m.jpg
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|image_align= right
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|image_text= '''Kodak Duo 620'''<br> with 7.5cm f/4.5 Kodak Anastigmat lens<br>''by John Hufnagel''
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}}
  
There is a '''rangefinder model''' evolved from the Series II, with a combined range- and view-finder under a top housing.
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The '''Duo Six-20 Series II''', has modified folding struts, a chrome top plate, an advance knob replacing the original key, and an accessory shoe (USA models only).  The shutter release was moved from the lens mount (where the cable release socket remained) to the top plate.
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The Series II cameras have been found labled as both '''Duo 620''' (an early 1937 example with f/4.5 Kodak lens) and as '''Kodak Duo Six-20 Series II''' (a 1938 example with f/4.5 Kodak lens).
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Produced from 1937 to 1939, the Series II model also originally sold for $57.50 USD<ref name="huffy49"/>.
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The non-rangefinder Duo-620 was available in two shutters, the Compur and the Compure Rapid.  A number of different lenses were offered:
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'''European models'''
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* Zeiss Tessar f/3.5 7cm (European model only)
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* Schneider Xenar f/3.5 7.5cm
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* Schneider Xenar f/4.5 7.5cm.
 +
 
 +
'''U.S.models'''
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* Kodak Anastigmat f/3.5 7.5cm
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* Kodak Anastigmat f/4.5 7.5cm
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 +
{{Flickr_image
 +
|image_source= http://www.flickr.com/photos/26092923@N02/3026355536/in/pool-camerapedia
 +
|image= http://farm4.static.flickr.com/3070/3026355536_3af7774e7c_m.jpg
 +
|image_align= right
 +
|image_text= '''Kodak Duo Six-20 Series II'''<br> with 7.5cm f/3.5 Kodak Anastigmat lens<br>''by John Hufnagel''
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}}
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The f/4.5 lenses utilized front element focusing, while the f/3.5 lenses were unit-focusing.
 +
 
 +
There is some confusion over the origins of the Kodak Anastigmat lenses on cameras on cameras imported to the United States. There are numerous claims that the lenses are simply re-branded Xenars, while Kodak (in 1938) clearly described the f/3.5 lens as a triplet<ref>[http://www.butkus.org/chinon/kodak/kodak_lenses_shutters/kodak_lenses_shutters.htm Kodak Lenses and Shutters]</ref>. To further complicate the issue, the f/4.5 model pictured here has a triplet lens, while the f/3.5 model pictured has a 4 element lens like the Xenar. 
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There is a rare '''rangefinder model''' evolved from the Series II, with a combined range- and view-finder under the top housing. This model's introduction occured in the same month that Germany invaded of Poland (September of 1939.)  Few of these cameras were made, as all camera production was halted by Kodak AG for war materials production in mid 1940. It originally sold for $84.50<ref name="huffy49"/>( app. $1300 USD in 2007).
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The rare RF model appears to have been sold in the United States only, with a Compur Rapid shutter and a Kodak Anastigmat f/3.5 7.5cm. 
  
 
There are Japanese copies of the Duo, including the [[Semi Prux]] copying the original model, and the [[Roavic]], [[Apollo and Mikado]], copying the body of the Series II with the addition of a top housing.
 
There are Japanese copies of the Duo, including the [[Semi Prux]] copying the original model, and the [[Roavic]], [[Apollo and Mikado]], copying the body of the Series II with the addition of a top housing.
 
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==References==
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<references />
 
== Bibliography ==
 
== Bibliography ==
 
* {{McKeown12}} P.&nbsp;491.
 
* {{McKeown12}} P.&nbsp;491.
 
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* Brian Coe, ''Kodak Cameras - The First Hundred Years'',  Hove Foto Books, 1988
 
== Links ==
 
== Links ==
 
In English:
 
In English:
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* [http://www.pibweb.com/ross/Campix/folders.htm Classic folding rollfilm cameras], a page by Ross Alford with a picture of a Duo Six-20 Series II
 
* [http://www.pibweb.com/ross/Campix/folders.htm Classic folding rollfilm cameras], a page by Ross Alford with a picture of a Duo Six-20 Series II
 
* Two pictures of a Duo Six-20 Series II in [http://www.flickr.com/photos/ninaterese/ Nina Terese's Flickr page]: [http://www.flickr.com/photos/ninaterese/209958617/in/set-72157594228971960/ here] and [http://www.flickr.com/photos/ninaterese/209958733/in/set-72157594228971960/ here]
 
* Two pictures of a Duo Six-20 Series II in [http://www.flickr.com/photos/ninaterese/ Nina Terese's Flickr page]: [http://www.flickr.com/photos/ninaterese/209958617/in/set-72157594228971960/ here] and [http://www.flickr.com/photos/ninaterese/209958733/in/set-72157594228971960/ here]
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* [http://www.kodak.com/global/en/consumer/products/techInfo/aa13/aa13.shtml History of Kodak Cameras at Kodak's website]
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[[Category: German 4.5x6 viewfinder folding]]
 
[[Category: German 4.5x6 viewfinder folding]]

Revision as of 21:03, 19 November 2008

The Duo Six-20 is a 4.5×6 horizontal folder made by Kodak AG from 1934 to 1940. As the name implies, it utilized 620 roll film.

The original model has a folding optical finder and a key for film advance on the left of the top plate. Produced from 1934 to 1937, it originally sold for $57.50[1] (app. $900 USD in 2007).

The Duo Six-20 Series II, has modified folding struts, a chrome top plate, an advance knob replacing the original key, and an accessory shoe (USA models only). The shutter release was moved from the lens mount (where the cable release socket remained) to the top plate.

The Series II cameras have been found labled as both Duo 620 (an early 1937 example with f/4.5 Kodak lens) and as Kodak Duo Six-20 Series II (a 1938 example with f/4.5 Kodak lens).

Produced from 1937 to 1939, the Series II model also originally sold for $57.50 USD[1].

The non-rangefinder Duo-620 was available in two shutters, the Compur and the Compure Rapid. A number of different lenses were offered:

European models

  • Zeiss Tessar f/3.5 7cm (European model only)
  • Schneider Xenar f/3.5 7.5cm
  • Schneider Xenar f/4.5 7.5cm.

U.S.models

  • Kodak Anastigmat f/3.5 7.5cm
  • Kodak Anastigmat f/4.5 7.5cm

The f/4.5 lenses utilized front element focusing, while the f/3.5 lenses were unit-focusing.

There is some confusion over the origins of the Kodak Anastigmat lenses on cameras on cameras imported to the United States. There are numerous claims that the lenses are simply re-branded Xenars, while Kodak (in 1938) clearly described the f/3.5 lens as a triplet[2]. To further complicate the issue, the f/4.5 model pictured here has a triplet lens, while the f/3.5 model pictured has a 4 element lens like the Xenar.

There is a rare rangefinder model evolved from the Series II, with a combined range- and view-finder under the top housing. This model's introduction occured in the same month that Germany invaded of Poland (September of 1939.) Few of these cameras were made, as all camera production was halted by Kodak AG for war materials production in mid 1940. It originally sold for $84.50[1]( app. $1300 USD in 2007).

The rare RF model appears to have been sold in the United States only, with a Compur Rapid shutter and a Kodak Anastigmat f/3.5 7.5cm.

There are Japanese copies of the Duo, including the Semi Prux copying the original model, and the Roavic, Apollo and Mikado, copying the body of the Series II with the addition of a top housing.

References

  1. 1.0 1.1 1.2 History of Kodak Cameras at www.kodak.com
  2. Kodak Lenses and Shutters

Bibliography

  • 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). P. 491.
  • Brian Coe, Kodak Cameras - The First Hundred Years, Hove Foto Books, 1988

Links

In English: