Sankyō Kōki

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See also Sankyō Kōgaku, another Japanese lens maker.

Sankyō Kōki K.K. (三協光機㈱) 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,[1] and perhaps for some camera lenses as well.

Lens list

Camera lenses

An E. Chibanone lens has been observed on a Semi Frank, perhaps made by Sankyō Kōki despite the unusual spelling. Chibanon or Chibanone (チバノン) lenses are also advertised on the Copenflex and Sanon Six (made by the same company Tōsei Kōki), as well as another lens perhaps called Chibar (チバー) on the Sanon Six II.

Other

  • Chibanon enlarging lenses: 80/3.5, 75/3.5, 50/3.5, 50/2.8[2]

Notes

  1. This advertisement dated 1954, reproduced in Shashin-Bako, gives the name "Chivanon" in Roman letters, but this is probably a typo.
  2. Advertisement dated 1954 reproduced in Shashin-Bako.

Links

In Japanese: