Difference between revisions of "Sankyō Kōki"

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''See also [[Sankyō Kōgaku]], another Japanese lens maker.''
 
''See also [[Sankyō Kōgaku]], another Japanese lens maker.''
  
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'''Sankyō Kōki K.K.''' (三協光機{{kabu}}) was a Japanese company. It used the brand name Komura for a variety of lenses. It also used the brand name Chibanon for enlarging lenses,<REF> [http://blog.livedoor.jp/united3arrows/archives/17194344.html This advertisement] dated 1954, reproduced in [http://blog.livedoor.jp/united3arrows/ Shashin-Bako], gives the name "Chivanon" in Roman letters, but this is probably a typo. </REF> and perhaps for some camera lenses as well.
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'''Sankyō Kōki K.K.''' (三協光機{{kabu}}) was a Japanese optical company, which used the brand name '''Komura''' for a variety of lenses.
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The company was already active in the early 1950s. It used the brand name Chibanon or Chibanone on enlarging lenses and camera lenses, before the use of the Komura brand. It notably supplied lenses to the [[Tōsei|Tōsei Kōki]] company.
  
 
== Lens list ==
 
== Lens list ==
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=== Camera lenses ===
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=== Before Komura ===
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* Chibanon (or Chivanon)<REF> The Roman spelling "Chivanon" found in original advertisements was perhaps a mistake. </REF> lenses for enlargement or general photography:
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** 50mm f/3.5, three or four elements, 1954–5<REF name="ACA 01/55"> Advertisement in {{ACA}} January 1955, p.234. </REF><REF name="Shashinbako"> [http://blog.livedoor.jp/united3arrows/archives/19071852.html Advertisement] dated 1954 reproduced at [http://blog.livedoor.jp/united3arrows/ Shashin-Bako]. </REF>
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** 50mm f/2.8, five elements, 1954–5<REF name="ACA 01/55" /><REF name="Shashinbako" />
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** 75mm f/3.5, three or four elements, 1954–5<REF name="ACA 01/55" /><REF name="Shashinbako" />
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** 80mm f/3.5, three or four elements, 1954–5<REF name="ACA 01/55" /><REF name="Shashinbako" />
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** 80mm f/2.8, four elements, announced in 1955<REF name="ACA 01/55" />
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** 105mm f/3.5, manufactured on demand, 1955<REF name="ACA 01/55" />
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{| class="plainlinks" align="center" style="text-align: center;"
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|| [http://www.flickr.com/photos/rebollo_fr/5015815218/in/pool-camerapedia http://farm5.static.flickr.com/4130/5015815218_84b547d193.jpg]
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|-
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|| ''Advertisement by Sankyō Kōki in {{ACA}} January 1955. {{public domain Japan new}}''
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|}
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A [[Semi Frank]] has been observed with an E. Chibanone lens (a curious spelling variant), and Chibanon or Chibanone (チバノン) lenses are advertised on the [[Copenflex]] and [[Frank Six|Sanon Six]], as well as another lens perhaps called Chibar (チバー) on the [[Frank Six|Sanon Six II]].
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=== Komura lenses ===
 
* [[39mm screw lenses#Sankyō Kōki / Komura)|Komura lenses in 39mm screw mount]]
 
* [[39mm screw lenses#Sankyō Kōki / Komura)|Komura lenses in 39mm screw mount]]
 
* [[42mm screw lenses#Sankyō Kōki / Komura)|Komura lenses in 42mm screw mount]]
 
* [[42mm screw lenses#Sankyō Kōki / Komura)|Komura lenses in 42mm screw mount]]
 
* [[Exakta lenses#Sankyō Kōki / Komura)|Komura lenses in Exakta mount]]
 
* [[Exakta lenses#Sankyō Kōki / Komura)|Komura lenses in Exakta mount]]
 
* [[Contax rangefinder lenses#Sankyō Kōki / Komura)|Komura lenses in Contax rangefinder mount]]
 
* [[Contax rangefinder lenses#Sankyō Kōki / Komura)|Komura lenses in Contax rangefinder mount]]
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Sankyō Kōki may have supplied lenses to the [[Tōsei|Tōsei Kōki]] company, before the use of the Komura brand: a [[Semi Frank]] has been observed with an E. Chibanone lens (a curious spelling variant), and Chibanon or Chibanone (チバノン) lenses are advertised on the [[Copenflex]] and [[Frank Six|Sanon Six]], as well as another lens perhaps called Chibar (チバー) on the [[Frank Six|Sanon Six II]].
 
  
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=== Other ===
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{| class="plainlinks" align="right" width=380px style="text-align: center;"
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* Chibanon enlarging lenses: 80/3.5, 75/3.5, 50/3.5, 50/2.8<REF> [http://blog.livedoor.jp/united3arrows/archives/17194344.html Advertisement] dated 1954 reproduced in [http://blog.livedoor.jp/united3arrows/ Shashin-Bako]. </REF>
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|| [http://www.flickr.com/photos/rebollo_fr/5015207277/in/pool-camerapedia http://farm5.static.flickr.com/4088/5015207277_b1728f3fab.jpg]
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|-
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|| ''Advertisement by Sankyō Kōki in {{ACA}} November 1953. (An almost identical advertisement appeared in [http://www.flickr.com/photos/rebollo_fr/5015815740/in/pool-camerapedia October 1953]). {{public domain Japan new}}''
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|}
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== Other products ==
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* Permanent cable release, 1953:<REF> Advertisements in {{ACA}} October 1953, p.222, and November 1953, p.198. </REF>
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** standard model, ¥150
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** for Leica, ¥200
  
 
== Notes ==
 
== Notes ==
 
<references />
 
<references />
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 +
== Bibliography ==
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* {{ACA}}. Advertisements by Sankyō Kōki:
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** October 1953, p.222;
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** November 1953, p.198;
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** January 1955, p.234.
  
 
== Links ==
 
== Links ==
 
In Japanese:
 
In Japanese:
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* [http://www2f.biglobe.ne.jp/ter-1212/chibanone.htm Chibanon and Chibanone lenses] in [http://www2f.biglobe.ne.jp/ter-1212/index.htm Terasaki Haruhisa's website]
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* Pages of [http://www2f.biglobe.ne.jp/ter-1212/index.htm Terasaki Haruhisa's website]:
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** [http://www2f.biglobe.ne.jp/ter-1212/chibanone.htm Tōsei Kōki and Sankyō Kōki]
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** [http://www2f.biglobe.ne.jp/ter-1212/bokutoucamera1.htm Tōsei Kōki], with early lenses by Sankyō Kōki
 
* [http://blog.livedoor.jp/united3arrows/archives/19071852.html Advertisement by Sankyō Kōki] dated 1954, reproduced in [http://blog.livedoor.jp/united3arrows/ Shashin-Bako]
 
* [http://blog.livedoor.jp/united3arrows/archives/19071852.html Advertisement by Sankyō Kōki] dated 1954, reproduced in [http://blog.livedoor.jp/united3arrows/ Shashin-Bako]
 
* [http://cameraphotoster.at.webry.info/200904/article_6.html Komura 80mm f/3.5 for Leica] at [http://cameraphotoster.at.webry.info/ Kamera to Shashin to Neko to]
 
* [http://cameraphotoster.at.webry.info/200904/article_6.html Komura 80mm f/3.5 for Leica] at [http://cameraphotoster.at.webry.info/ Kamera to Shashin to Neko to]
  
 
[[Category: Japanese lens makers]]
 
[[Category: Japanese lens makers]]

Revision as of 20:35, 22 September 2010

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See also Sankyō Kōgaku, another Japanese lens maker.

Sankyō Kōki K.K. (三協光機㈱) was a Japanese optical company, which used the brand name Komura for a variety of lenses.

The company was already active in the early 1950s. It used the brand name Chibanon or Chibanone on enlarging lenses and camera lenses, before the use of the Komura brand. It notably supplied lenses to the Tōsei Kōki company.

Lens list

Before Komura

  • Chibanon (or Chivanon)[1] lenses for enlargement or general photography:
    • 50mm f/3.5, three or four elements, 1954–5[2][3]
    • 50mm f/2.8, five elements, 1954–5[2][3]
    • 75mm f/3.5, three or four elements, 1954–5[2][3]
    • 80mm f/3.5, three or four elements, 1954–5[2][3]
    • 80mm f/2.8, four elements, announced in 1955[2]
    • 105mm f/3.5, manufactured on demand, 1955[2]
5015815218_84b547d193.jpg
Advertisement by Sankyō Kōki in Asahi Camera January 1955. (Image rights)

A Semi Frank has been observed with an E. Chibanone lens (a curious spelling variant), and Chibanon or Chibanone (チバノン) lenses are advertised on the Copenflex and Sanon Six, as well as another lens perhaps called Chibar (チバー) on the Sanon Six II.

Komura lenses

5015207277_b1728f3fab.jpg
Advertisement by Sankyō Kōki in Asahi Camera November 1953. (An almost identical advertisement appeared in October 1953). (Image rights)

Other products

  • Permanent cable release, 1953:[4]
    • standard model, ¥150
    • for Leica, ¥200

Notes

  1. ↑ The Roman spelling "Chivanon" found in original advertisements was perhaps a mistake.
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 Advertisement in Asahi Camera January 1955, p.234.
  3. ↑ 3.0 3.1 3.2 3.3 Advertisement dated 1954 reproduced at Shashin-Bako.
  4. ↑ Advertisements in Asahi Camera October 1953, p.222, and November 1953, p.198.

Bibliography

  • Asahi Camera. Advertisements by Sankyō Kōki:
    • October 1953, p.222;
    • November 1953, p.198;
    • January 1955, p.234.

Links

In Japanese:

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