Difference between revisions of "Mentor Dreivier"
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| − | The '''Mentor Dreivier''' (German: three-four) is a viewfinder camera for 3x4 cm pictures on 127 rollfilm, made by [[Mentor]] (Goltz & Breutmann) in Dresden in about 1930. It is probably the smallest camera made by Mentor, who were better known for box-form [[SLR]] cameras. The few examples seen at Westlicht all have either an f/3.5 or f/4.5 CZJ Tessar and a Compur shutter to 1/300 second, with helical scale-focusing to about 1 metre.<ref name=W1>[https:// | + | </div> |
| + | The '''Mentor Dreivier''' (German: three-four) is a viewfinder camera for 3x4 cm pictures on 127 rollfilm, made by [[Mentor]] (Goltz & Breutmann) in Dresden in about 1930. It is probably the smallest camera made by Mentor, who were better known for box-form [[SLR]] cameras. The few examples seen at Westlicht all have either an f/3.5 or f/4.5 CZJ Tessar and a Compur shutter to 1/300 second, with helical scale-focusing to about 1 metre.<ref name=W1>[https://www.leitz-auction.com/en/Mentor-Dreivier/AI-9-27077 Dreivier] serial no. 55038, with 5 cm f/3.5 Tessar, sold at the [https://www.leitz-auction.com/en/Cameras/Past-Auctions/Auction-9/ ninth Westlicht Photographica Auction], on 20 May 2006.</ref><ref name=W2>[https://www.leitz-auction.com/en/Goltz-Mentor-Dreivier/AI-11-16059 Dreivier] serial no. 55065, with f/3.5 Tessar, sold at the [https://www.leitz-auction.com/en/Cameras/Past-Auctions/Auction-11/ eleventh Westlicht auction], on 26 May 2007.</ref><ref name=W3>[https://www.leitz-auction.com/en/MENTOR-DREIVIER-Tessar/AI-1-21003 Dreivier] serial no. 55374, with an ''f/4.5'' Tessar (the listing note gives f/3,5, but it is clearly an f/4.5), and ''without'' a folding table stand, sold at the [https://www.leitz-auction.com/en/Cameras/Past-Auctions/Auction-1/ first Westlicht auction], on 15 November 2002.</ref> The camera was also available with an f/2.8 Tessar, or a [[Leitz]] f/3.5 Elmar<ref>[http://www.christies.com/LotFinder/lot_details.aspx?from=searchresults&intObjectID=4001951&sid=b7ab3660-740b-495d-a135-a0e11b616018 Dreivier]serial no. 55604, with 5 cm f/3.5 Elmar, sold at [http://www.christies.com/ Christie's] in London in November 2002.</ref> or f/2.5 Hektor<ref>[http://www.christies.com/LotFinder/lot_details.aspx?from=searchresults&intObjectID=1554714&sid=b7ab3660-740b-495d-a135-a0e11b616018 Dreivier] serial no. 55532, with 5 cm f/2.5 Hektor, sold at Christie's in September 1999.</ref> or Elmax.<ref name=McK>{{McKeown12}} p658-9.</ref> | ||
Some examples have a folding table-stand on the right-hand side of the front of the body, allowing the camera to stand on its end on a level surface (for horizontal pictures).<ref name=W1/><ref name=W2/> McKeown states that the earliest cameras do not have this, and shows a picture of what appears to be the third cited example at Westlicht,<ref name=W3/> as an example of this 'early model'; however, the serial number of this example is in the middle of the range of those cited; there are cameras ''with'' the table stand with both higher and lower serial numbers. | Some examples have a folding table-stand on the right-hand side of the front of the body, allowing the camera to stand on its end on a level surface (for horizontal pictures).<ref name=W1/><ref name=W2/> McKeown states that the earliest cameras do not have this, and shows a picture of what appears to be the third cited example at Westlicht,<ref name=W3/> as an example of this 'early model'; however, the serial number of this example is in the middle of the range of those cited; there are cameras ''with'' the table stand with both higher and lower serial numbers. | ||
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| + | || [https://www.flickr.com/photos/32582084@N06/52764308461/in/pool-camerawiki/ https://live.staticflickr.com/65535/52764308461_16e385c0d3_m.jpg] [https://www.flickr.com/photos/32582084@N06/52764795128/in/pool-camerawiki/ https://live.staticflickr.com/65535/52764795128_dd27081234_m.jpg] [https://www.flickr.com/photos/32582084@N06/52764795103/in/pool-camerawiki/ https://live.staticflickr.com/65535/52764795103_d2920f6d29_m.jpg] | ||
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| + | || [https://www.flickr.com/photos/32582084@N06/52764558899/in/pool-camerawiki/ https://live.staticflickr.com/65535/52764558899_8b70d1365f_m.jpg] [https://www.flickr.com/photos/32582084@N06/52764714970/in/pool-camerawiki/ https://live.staticflickr.com/65535/52764714970_d1854bfff2_m.jpg] [https://www.flickr.com/photos/32582084@N06/52764308331/in/pool-camerawiki/ https://live.staticflickr.com/65535/52764308331_c20a6c4b0c_m.jpg] | ||
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| + | ||Mentor Dreivier 3x4cm, E.Leitz Hektor f2.5/5cm lens<br>Images by {{image author|yalluflex}}. {{with permission}} | ||
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==Notes== | ==Notes== | ||
<references/> | <references/> | ||
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==Links== | ==Links== | ||
Latest revision as of 22:21, 31 March 2024
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| Mentor Dreivier 3x4cm image by yalluflex (Image rights) |
The Mentor Dreivier (German: three-four) is a viewfinder camera for 3x4 cm pictures on 127 rollfilm, made by Mentor (Goltz & Breutmann) in Dresden in about 1930. It is probably the smallest camera made by Mentor, who were better known for box-form SLR cameras. The few examples seen at Westlicht all have either an f/3.5 or f/4.5 CZJ Tessar and a Compur shutter to 1/300 second, with helical scale-focusing to about 1 metre.[1][2][3] The camera was also available with an f/2.8 Tessar, or a Leitz f/3.5 Elmar[4] or f/2.5 Hektor[5] or Elmax.[6]
Some examples have a folding table-stand on the right-hand side of the front of the body, allowing the camera to stand on its end on a level surface (for horizontal pictures).[1][2] McKeown states that the earliest cameras do not have this, and shows a picture of what appears to be the third cited example at Westlicht,[3] as an example of this 'early model'; however, the serial number of this example is in the middle of the range of those cited; there are cameras with the table stand with both higher and lower serial numbers.
There is a reverse-Galilean viewfinder on the top.
  
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| Mentor Kamerafabrik Goltz & Breutmann, Mentor Dreivier 3x4cm, Carl Zeiss Jena Tessar f3.5/5cm lens Images by yalluflex. (Image rights) |
  
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| Mentor Dreivier 3x4cm, E.Leitz Hektor f2.5/5cm lens Images by yalluflex. (Image rights) |
Notes
- ↑ 1.0 1.1 Dreivier serial no. 55038, with 5 cm f/3.5 Tessar, sold at the ninth Westlicht Photographica Auction, on 20 May 2006.
- ↑ 2.0 2.1 Dreivier serial no. 55065, with f/3.5 Tessar, sold at the eleventh Westlicht auction, on 26 May 2007.
- ↑ 3.0 3.1 Dreivier serial no. 55374, with an f/4.5 Tessar (the listing note gives f/3,5, but it is clearly an f/4.5), and without a folding table stand, sold at the first Westlicht auction, on 15 November 2002.
- ↑ Dreivierserial no. 55604, with 5 cm f/3.5 Elmar, sold at Christie's in London in November 2002.
- ↑ Dreivier serial no. 55532, with 5 cm f/2.5 Hektor, sold at Christie's in September 1999.
- ↑ 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). p658-9.
Links
- Other examples sold at Christie's:
- Serial no. 55341, with a 5 cm f/3.5 CZJ Tessar, sold at Christie's in January 2001.
- Serial no. 55662, with a 5 cm f/3.5 Leitz Elmar, sold in August 1998 (no picture).
- Serial no. '142' (perhaps 55142?), with an Elmar, sold in January 1996 (no picture).
- Dreivier (serial no. not given) with a 5 cm f/2.5 Leitz Hektor, sold in October 1994 (no picture).
- Dreivier serial no. 55350, sold at LP Foto Auktioner at their Auction 41 in April 2012.
