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Neoca was a Japanese company that made the Mizuho Six 6×6 folders from 1951, and later Neoca cameras.

The company's full name at first was Mizuho Kōki Seisakusho (ミヅホ光機製作所), this name was translated as Mizuho Optical on some body engravings, and the logo was MKS in a stylized lens scheme. In July 1952 the company became Mizuho Kamera Kōgyō K.K. (ミヅホカメラ工業㈱), translated as Mizuho Camera Ind. Co, Ltd (observed on a box for a Mizuho Six, for sale in an online auction). While Mizuho seems to have consistently been written in advertisements as ミヅホ (never ミズホ), the company is, rightly or wrongly, sometimes referred to as 瑞穂 (which too would be read "Mizuho").

In November 1954 the company became Neoca, more fully Neoca Kabushiki Kaisha (ネオカ株式会社).

Neoca went bankrupt in January 1960.

6×6 folder

35mm rangefinder

Sources / further reading

  • Asahi Camera (アサヒカメラ) editorial staff. Shōwa 10–40nen kōkoku ni miru kokusan kamera no rekishi (昭和10–40年広告にみる国産カメラの歴史, Japanese camera history as seen in advertisements, 1935–1965). Tokyo: Asahi Shinbunsha, 1994. ISBN 4-02-330312-7. Pp. 190–93, 367. (Source for company renaming.)
  • Lewis, Gordon, ed. The History of the Japanese Camera. Rochester, N.Y.: George Eastman House, International Museum of Photography & Film, 1991. ISBN 0-935398-17-1 (paper), 0-935398-16-3 (hard). (Source for bankruptcy.)


In Japanese: