Difference between revisions of "Heidoscop"

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|image_text= 45×107 mm Heidoscop. The knob on the left of the picture (the photographer's right) is the focusing knob;<br/>the one on the right of the picture sets the shutter speed. The aperture control, and the shutter cocking<br/>lever and release are on top, behind the lens caps.
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|image_text= Heidoscop 45×107 mm. The knob on the left of the picture (the photographer's right) is the focusing knob; the<br/>one on the right of the picture sets the shutter speed. The aperture control, and the shutter cocking lever and<br/>release are on top, behind the lens caps in this version; the arrangement of the controls varies somewhat.<ref name=EP>The article about the [http://www.earlyphotography.co.uk/site/entry_C257.html Heidoscop] at [http://www.earlyphotography.co.uk/index.html Early Photography] lists the main changes in the design of the Heidoscop, and shows examples of two versions of the camera.</ref>
 
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The '''Heidoscop''' is a stereo camera with a reflex viewfinder, for plates or film packs (or a roll film back can be used). It was the first camera made by Franke and Heidecke (later [[Rollei|Rollei-Werke Franke & Heidecke]]) in Braunschweig, Germany. The camera was made in two sizes: the first takes 45×107 mm plates, and was made from 1921-34.<ref name=McK>{{McKeown12}} p850.</ref> This was followed in 1925 by a model for 6×13 cm plates or film; this model was made until 1940.<ref name=McK></ref> The exact specification was changed during production.
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The '''Heidoscop''' is a stereo camera with a reflex viewfinder, for plates or film packs (or a roll film back can be used). It was the first camera made by Franke and Heidecke (later [[Rollei|Rollei-Werke Franke & Heidecke]]) in Braunschweig, Germany. The camera was made in two sizes: the first takes 45×107 mm plates, and was made from 1921-34.<ref name=McK>{{McKeown12}} p850.</ref> This was followed in 1925 by a model for 6×13 cm plates or film; this model was made until 1940.<ref name=McK></ref> The exact specification was changed during production, so a number of types can be distinguished.<ref name=EP></ref>
  
Either camera has a pair of f/4.5 [[Tessar]] taking lenses (5.5 cm focal length for the first model, and 7.5 cm for the second), mounted in a stereo Compound (later Compur) shutter. There is a viewing lens centrally between these. This is also a Tessar in some cameras, and a 'Sucher-Triplet' (also by Zeiss) in others.
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The camera has a pair of taking lenses  mounted in a stereo Compound shutter. In most of the cameras (all the later types) the taking lenses are f/4.5 [[Tessar]]s (5.5 cm focal length for the first model, and 7.5 cm for the second). When the camera was first introduced, Heidoscop or Steinheil Unifocal lenses were offered as alternative taking lenses.<ref name=EP></ref> There is a viewing lens centrally between these. This is also a Tessar in some cameras, and a 'Sucher-Triplet' (also by Zeiss) or 'Heidoscop Sucher-Anastigmat' in others.  
  
On the top of the camera body there is a collapsible hood over the viewing screen. This would even then be a familiar feature of reflex cameras. It has a hinged plate with a focusing loupe, which can be swung over the hood.
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On the top of the camera body there is a collapsible hood over the viewing screen. This would even then be a familiar feature of reflex cameras. It has a built-in focusing loupe, and a mirror, allowing the hood to be used as an eye-level reflex finder. There is even a spirit level visible in the finder.<ref name=EP></ref>
  
 
Only a few years after the Heidoscop, in 1926, very similar cameras but with a built-in roll-film chamber were introduced alongside it, in both sizes. This was named the '''Rolleidoscop''', although McKeown states that the earliest of these were sold with the name Heidoscop.
 
Only a few years after the Heidoscop, in 1926, very similar cameras but with a built-in roll-film chamber were introduced alongside it, in both sizes. This was named the '''Rolleidoscop''', although McKeown states that the earliest of these were sold with the name Heidoscop.
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* [http://www.liveauctioneers.com/item/10169494 Heidoscop, 45×107 mm], about 1927 (from the lens serial); a lot in the auction of the Kaprelian Camera Collection in November 2011 by [http://www.liveauctioneers.com/browse/seller/fullers_llc Fullers LLC] in Philadelphia. Several excellent photographs of the camera, with a plate magazine back.
 
* [http://www.liveauctioneers.com/item/10169494 Heidoscop, 45×107 mm], about 1927 (from the lens serial); a lot in the auction of the Kaprelian Camera Collection in November 2011 by [http://www.liveauctioneers.com/browse/seller/fullers_llc Fullers LLC] in Philadelphia. Several excellent photographs of the camera, with a plate magazine back.
 
* [http://www.liveauctioneers.com/item/2453738 Heidoscop, 45×107 mm], 1931, with a plate magazine back; another lot in the 2006 auction in Cologne.
 
* [http://www.liveauctioneers.com/item/2453738 Heidoscop, 45×107 mm], 1931, with a plate magazine back; another lot in the 2006 auction in Cologne.
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* [http://www.christies.com/LotFinder/lot_details.aspx?intObjectID=1418537 Heidoscop 6×13 cm] with Zeiss Triplet viewing lens and a roll film back; a lot in an auction in January 1999 by [http://www.christies.com/ Christie's] in London.
  
  

Revision as of 16:44, 28 October 2011

The Heidoscop is a stereo camera with a reflex viewfinder, for plates or film packs (or a roll film back can be used). It was the first camera made by Franke and Heidecke (later Rollei-Werke Franke & Heidecke) in Braunschweig, Germany. The camera was made in two sizes: the first takes 45×107 mm plates, and was made from 1921-34.[2] This was followed in 1925 by a model for 6×13 cm plates or film; this model was made until 1940.[2] The exact specification was changed during production, so a number of types can be distinguished.[1]

The camera has a pair of taking lenses mounted in a stereo Compound shutter. In most of the cameras (all the later types) the taking lenses are f/4.5 Tessars (5.5 cm focal length for the first model, and 7.5 cm for the second). When the camera was first introduced, Heidoscop or Steinheil Unifocal lenses were offered as alternative taking lenses.[1] There is a viewing lens centrally between these. This is also a Tessar in some cameras, and a 'Sucher-Triplet' (also by Zeiss) or 'Heidoscop Sucher-Anastigmat' in others.

On the top of the camera body there is a collapsible hood over the viewing screen. This would even then be a familiar feature of reflex cameras. It has a built-in focusing loupe, and a mirror, allowing the hood to be used as an eye-level reflex finder. There is even a spirit level visible in the finder.[1]

Only a few years after the Heidoscop, in 1926, very similar cameras but with a built-in roll-film chamber were introduced alongside it, in both sizes. This was named the Rolleidoscop, although McKeown states that the earliest of these were sold with the name Heidoscop.


Notes

  1. 1.0 1.1 1.2 1.3 The article about the Heidoscop at Early Photography lists the main changes in the design of the Heidoscop, and shows examples of two versions of the camera.
  2. 2.0 2.1 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). p850.


Links