Difference between revisions of "Zion and Optor"
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| − | The '''Zion''' and '''Optor''' were | + | The '''Zion''' and '''Optor''' were Japanese three-element lenses of the 1930s and early 1940s, mounted on some models by Rokuoh-sha, the manufacturing branch of [[Konica|Konishiroku]]. It is said that they were designed by Rokuoh-sha itself and that their production was outsourced to [[Pentax|Asahi Kōgaku]].<REF> Sakai, p.12 of {{KKS}} no.10, and [http://www2f.biglobe.ne.jp/~ter-1212/sakura/hexar0.htm this page of the R. Konishi website]. ''Shashin to tomo ni hyaku-nen'', pp.403–4, only lists the Zion and Optor lens names and says that some lenses were outsourced to Asahi Kōgaku, but does not explicitly say that these were designed at Rokuoh-sha. Lewis, p.182, only says that the Optor lens was made by Asahi. </REF> At least one source says that they were designed by Mōri Hiroo (毛利広雄) of Rokuoh-sha, the designer of the first Hexar lens.<REF> See [http://www2f.biglobe.ne.jp/~ter-1212/sakura/hexar0.htm this page of the R. Konishi website]. </REF> |
== Notes == | == Notes == | ||
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== Bibliography == | == Bibliography == | ||
* {{Lewis}} P.182. | * {{Lewis}} P.182. | ||
| + | * Sakai Shūichi (酒井修一). "'Anbako' kara 'ōtofōkasu' he: kamera no hensen to tomo ni ayunda 114-nen" (「暗函」から「オートフォーカス」へ・カメラの変遷と共に歩んだ114年, From 'camera obscura' to 'autofocus': 114 years of camera evolution). {{KKS010}} Pp.8–13. | ||
* ''Shashin to tomo ni hyaku-nen'' (写真とともに百年, 0ne hundred years of photography). Konishiroku Shashin Kōgyō, 1973. Pp.403–4, reproduced in [http://www2f.biglobe.ne.jp/~ter-1212/sakura/mourisi.htm this page] of the [http://www2f.biglobe.ne.jp/~ter-1212/sakura/index.htm R. Konishi Rokuoh-sha website]]. | * ''Shashin to tomo ni hyaku-nen'' (写真とともに百年, 0ne hundred years of photography). Konishiroku Shashin Kōgyō, 1973. Pp.403–4, reproduced in [http://www2f.biglobe.ne.jp/~ter-1212/sakura/mourisi.htm this page] of the [http://www2f.biglobe.ne.jp/~ter-1212/sakura/index.htm R. Konishi Rokuoh-sha website]]. | ||
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The Zion and Optor were Japanese three-element lenses of the 1930s and early 1940s, mounted on some models by Rokuoh-sha, the manufacturing branch of Konishiroku. It is said that they were designed by Rokuoh-sha itself and that their production was outsourced to Asahi Kōgaku.[1] At least one source says that they were designed by Mōri Hiroo (毛利広雄) of Rokuoh-sha, the designer of the first Hexar lens.[2]
Notes
- ↑ Sakai, p.12 of Kurashikku Kamera Senka no.10, and this page of the R. Konishi website. Shashin to tomo ni hyaku-nen, pp.403–4, only lists the Zion and Optor lens names and says that some lenses were outsourced to Asahi Kōgaku, but does not explicitly say that these were designed at Rokuoh-sha. Lewis, p.182, only says that the Optor lens was made by Asahi.
- ↑ See this page of the R. Konishi website.
Bibliography
- 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). P.182.
- Sakai Shūichi (酒井修一). "'Anbako' kara 'ōtofōkasu' he: kamera no hensen to tomo ni ayunda 114-nen" (「暗函」から「オートフォーカス」へ・カメラの変遷と共に歩んだ114年, From 'camera obscura' to 'autofocus': 114 years of camera evolution). Kamera Rebyū: Kurashikku Kamera Senka (カメラレビュー クラシックカメラ専科) / Camera Review: All about Historical Cameras no.10, September 1987. No ISBN number. Konishiroku kamera no rekishi (小西六カメラの歴史, special issue on Konishiroku). Pp.8–13.
- Shashin to tomo ni hyaku-nen (写真とともに百年, 0ne hundred years of photography). Konishiroku Shashin Kōgyō, 1973. Pp.403–4, reproduced in this page of the R. Konishi Rokuoh-sha website].
