Difference between revisions of "Sankyō Kōki"
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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. | '''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. | ||
| − | The company was already active in the early 1950s. | + | The company was already active in the early 1950s. Before the use of the Komura brand, it used the brand name Chibanon or Chibanone, notably supplying lenses to the [[Tōsei|Tōsei Kōki]] company. The Chibanon brand was retained for some time on enlarging lenses and projection lenses.<REF> Projection lenses: example observed in an online auction. </REF> |
== Lens list == | == Lens list == | ||
=== Before Komura === | === Before Komura === | ||
| − | * Chibanon | + | * Chibanon or E-Chibanon<REF> The Roman spelling "Chivanon" found in original advertisements has not been observed on actual products, and was certainly mistaken. </REF> lenses for enlargement or general photography: |
| − | ** 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> | + | ** 50mm f/3.5, three or four elements, 1954–5<REF name="ACA 01/55"> Advertisement in {{ACA}} January 1955, p.234, February 1955, p.167, March 1955, p.213, and April 1955, p.224. </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><REF> E-Chibanon 50mm f/3.5 lens observed in an online auction, black and chrome barrel with knurled aperture ring. </REF> |
** 50mm f/2.8, five elements, 1954–5<REF name="ACA 01/55" /><REF name="Shashinbako" /> | ** 50mm f/2.8, five elements, 1954–5<REF name="ACA 01/55" /><REF name="Shashinbako" /> | ||
** 75mm f/3.5, three or four elements, 1954–5<REF name="ACA 01/55" /><REF name="Shashinbako" /> | ** 75mm f/3.5, three or four elements, 1954–5<REF name="ACA 01/55" /><REF name="Shashinbako" /> | ||
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|| [http://www.flickr.com/photos/rebollo_fr/5015815218/in/pool-camerapedia http://farm5.static.flickr.com/4130/5015815218_84b547d193.jpg] | || [http://www.flickr.com/photos/rebollo_fr/5015815218/in/pool-camerapedia http://farm5.static.flickr.com/4130/5015815218_84b547d193.jpg] | ||
|- | |- | ||
| − | || ''Advertisement by Sankyō Kōki in {{ACA}} January 1955. {{public domain Japan new}}'' | + | || ''Advertisement by Sankyō Kōki in {{ACA}}, January to April 1955. {{public domain Japan new}}'' |
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** October 1953, p.222; | ** October 1953, p.222; | ||
** November 1953, p.198; | ** November 1953, p.198; | ||
| − | ** January 1955, p.234. | + | ** January 1955, p.234; |
| + | ** February 1955, p.167; | ||
| + | ** March 1955, p.213; | ||
| + | ** April 1955, p.224. | ||
== Links == | == Links == | ||
Revision as of 20:49, 22 September 2010
This article is a stub. You can help Camera-wiki.org by expanding it.
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. Before the use of the Komura brand, it used the brand name Chibanon or Chibanone, notably supplying lenses to the Tōsei Kōki company. The Chibanon brand was retained for some time on enlarging lenses and projection lenses.[1]
Contents
Lens list
Before Komura
- Chibanon or E-Chibanon[2] lenses for enlargement or general photography:
|
| Advertisement by Sankyō Kōki in Asahi Camera, January to April 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
- Komura lenses in 39mm screw mount
- Komura lenses in 42mm screw mount
- Komura lenses in Exakta mount
- Komura lenses in Contax rangefinder mount
|
| 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:[6]
- standard model, ¥150
- for Leica, ¥200
Notes
- ↑ Projection lenses: example observed in an online auction.
- ↑ The Roman spelling "Chivanon" found in original advertisements has not been observed on actual products, and was certainly mistaken.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 Advertisement in Asahi Camera January 1955, p.234, February 1955, p.167, March 1955, p.213, and April 1955, p.224.
- ↑ 4.0 4.1 4.2 4.3 Advertisement dated 1954 reproduced at Shashin-Bako.
- ↑ E-Chibanon 50mm f/3.5 lens observed in an online auction, black and chrome barrel with knurled aperture ring.
- ↑ 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;
- February 1955, p.167;
- March 1955, p.213;
- April 1955, p.224.
Links
In Japanese:
- Pages of Terasaki Haruhisa's website:
- Tōsei Kōki and Sankyō Kōki
- Tōsei Kōki, with early lenses by Sankyō Kōki
- Advertisement by Sankyō Kōki dated 1954, reproduced in Shashin-Bako
- Komura 80mm f/3.5 for Leica at Kamera to Shashin to Neko to
