Difference between revisions of "Rectus"

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'''Rectus''' is the name of a shutter found on some Japanese cameras from the 1950s. There are at least two variants, with B, 1&ndash;200 and B, 1&ndash;300 speeds. According to [http://www.kyphoto.com/classics/forum/messages/4/4533.html?1116915303 a post in the Classic Camera Repair Forum] it was a copy of the [[Prontor II]]. According to [http://rd2h-ari.hp.infoseek.co.jp/PRINCE_J_PIC.htm this page at Japan Family Camera], it was made by a company called Fuji Seimitsu (富士精密), together with a shutter called '''Ceres'''. The maker of the Ceres is confirmed by an advertisement dated September 1955.<REF> Published in the September 1950 issue of ''Asahi Camera'', reproduced in {{Kokusan}}, item 511. </REF> (Today there is a company called Fuji Seimitsu, but [http://www.fun.co.jp/ its website] says that it was founded in 1962.)
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The '''Rectus''' is a [[leaf shutter]] found on some Japanese cameras from the 1950s. There are at least two variants, with B, 1–200 and B, 1–300 speeds. It was made by [[Fuji Seimitsu]], which also made the [[Ceres]] leaf shutter.<REF> Attribution of the Rectus to Fuji Seimitsu: a leaflet advertising the [[Mine Six|Mine Six IIF]]; also [https://web.archive.org/web/20090302001749/http://rd2h-ari.hp.infoseek.co.jp/PRINCE_J_PIC.htm this page (archived) at Japan Family Camera]. </REF> It seems that it was a copy of the [[Prontor II]].<REF> See [https://web.archive.org/web/20060516222255/http://www.kyphoto.com/classics/forum/messages/4/4533.html?1116915303 this post (archived) in the Classic Camera Repair Forum]. [[Takane]] claims that it is "Prontor type" (プロンタータイプ) in a leaflet advertising the Mine Six IIF.</REF>
 
 
The following lists are incomplete. That a particular model is listed should not be taken to mean that all examples were fitted with the particular model of shutter.
 
  
 
== Cameras equipped with a Rectus shutter ==
 
== Cameras equipped with a Rectus shutter ==
 
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{{Flickr_image
* [[Condor (35mm)]] (Rectus-MX, B, 1&ndash;500)
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|image_source= http://www.flickr.com/photos/29504544@N08/4016722475/in/pool-camerawiki/
* [[Elbow Flex]] (B, 1&ndash;300 reported)
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|image= http://farm4.staticflickr.com/3485/4016722475_c41bfd2cbd.jpg
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|image_align= right
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|image_text= Rectus on a Prince Junior
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|image_by= Hans Kerensky
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|image_rights=  with permission
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}}
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The following list is incomplete. That a particular model is listed should not be taken to mean that all examples were fitted with the Rectus.
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* [[Beautyflex|Beautyflex D]] (Rectus-MX, B, 1–300)
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* [[Condor (35mm)]] (Rectus-MX, B, 1–500)
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* [[Elbowflex]] (B, 1–300 reported)
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* [[First Six (postwar)|First Six I]] (B, 1–200, one isolated example)
 
* [[Fodorflex]]
 
* [[Fodorflex]]
 
* [[Fujica Six|Fujica Six IICR]]
 
* [[Fujica Six|Fujica Six IICR]]
* [[Mine Six|Mine Six and Mine Six IIF]] (B, 1&ndash;200)
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* [[Mamiya Six]] K (one isolated example observed, perhaps not original)<ref>[http://www.flickr.com/photos/heritagefutures/5260127411/in/pool-camerawiki/  Image in Camera-Wiki Pool]</ref>
* [[Neoca 2s|Neoca 2S]]
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* [[Mine Six|Mine Six and Mine Six IIF]] (B, 1–200)
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* [[Neoca 2S]]
 
* [[Primoflex]]
 
* [[Primoflex]]
* [[Prince Junior]] (unsure, B, 1&ndash;300 reported)
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* [[Princeflex|Prince Junior]] (B, 1–300 reported)
  
== Cameras equipped with a Ceres shutter ==
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== Notes ==
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<references />
  
* [[Elbow Flex]] (B, 1&ndash;300)
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== Bibliography ==
* [[Prince Junior]] (B, 1&ndash;300)
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* {{Showa10}}
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* [[Takane|Takane Kōgaku]]. Leaflet advertising the [[Mine Six|Mine Six IIF]].
  
 
[[Category: Leaf shutters]]
 
[[Category: Leaf shutters]]
 
[[Category: Japanese shutters]]
 
[[Category: Japanese shutters]]

Latest revision as of 15:05, 5 December 2021

The Rectus is a leaf shutter found on some Japanese cameras from the 1950s. There are at least two variants, with B, 1–200 and B, 1–300 speeds. It was made by Fuji Seimitsu, which also made the Ceres leaf shutter.[1] It seems that it was a copy of the Prontor II.[2]

Cameras equipped with a Rectus shutter

The following list is incomplete. That a particular model is listed should not be taken to mean that all examples were fitted with the Rectus.

Notes

  1. Attribution of the Rectus to Fuji Seimitsu: a leaflet advertising the Mine Six IIF; also this page (archived) at Japan Family Camera.
  2. See this post (archived) in the Classic Camera Repair Forum. Takane claims that it is "Prontor type" (プロンタータイプ) in a leaflet advertising the Mine Six IIF.
  3. Image in Camera-Wiki Pool

Bibliography