Difference between revisions of "Seikosha-Rapid"

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The '''Seikosha-Rapid''' is a Japanese leaf shutter, inspired by the German [[Compur-Rapid]] and made by Seikōsha, the manufacturing branch of [[Hattori|Hattori Tokei-ten]].
 
The '''Seikosha-Rapid''' is a Japanese leaf shutter, inspired by the German [[Compur-Rapid]] and made by Seikōsha, the manufacturing branch of [[Hattori|Hattori Tokei-ten]].
  

Latest revision as of 05:44, 10 May 2012

The Seikosha-Rapid is a Japanese leaf shutter, inspired by the German Compur-Rapid and made by Seikōsha, the manufacturing branch of Hattori Tokei-ten.

Some sources say that the Seikosha-Rapid was developed in 1941 and sold from 1946 in #00 size, with 1/500 top speed.[1]

However the oldest occurrence of the Seikosha-Rapid found so far is an advertisement for the First Reflex placed in a book dated February 1940.[2] It is not sure if the camera was actually sold with that shutter. The Minion III is mentioned with a "Rapid Seiko" shutter in the "Kokusan shashinki no genjōchōsa" ("Inquiry into Japanese cameras") of early 1943, and it was perhaps already available at the time.[3]

The Seikosha-Rapid was also developed in #0 size in 1952 with 1/400 top speed.[4] The Seikosha-Rapid was followed by the Seikosha-MX.

#00 size

Variants and cameras equipped (incomplete list, and not all variants are concerned):

#0 size

Only known with B, 1, 2, 5, 10, 25, 50, 100, 200, 400 speeds.

Cameras equipped (incomplete list, and not all variants are concerned):

Notes

  1. Shunkan o torae-tsuzukeru shattā-ten, p. 9.
  2. Advertisement placed in Semi Fāsuto no tsukaikata, published on February 30, 1940, reproduced in Furukawa, p. 26 of Camera Collectors' News no. 277.
  3. "Kokusan shashinki no genjōchōsa" ("Inquiry into Japanese cameras"), item 176, shutter item 18-R-8.
  4. Shunkan o torae-tsuzukeru shattā-ten, p. 9.

Bibliography

  • Furukawa Haruo (古川保男). "Bebī Semi Fāsuto 'Kore ha bebī wo nanotta semi-ki da'" (ベビーセミファースト"これはベビーを名乗ったセミ機だ", Baby Semi First, this is a Semi camera called Baby). In Camera Collectors' News no.277 (July 2000). Nishinomiya: Camera Collectors News-sha. Pp.19–27.
  • Kamera no mekanizumu sono I: "Hai! Chīzu" Shunkan o torae-tsuzukeru shattā-ten (カメラのメカニズム・そのⅠ・「ハイ!チーズ」瞬間をとらえ続けるシャッター展, Camera mechanism, part 1 "Cheese!" Exhibition of instant taking shutters). Tokyo: JCII Camera Museum, 2002. (Exhibition catalogue, no ISBN number)
  • "Kokusan shashinki no genjōchōsa" (国産写真機ノ現状調査, Inquiry into Japanese cameras), listing Japanese camera production as of April 1943. Reproduced in Supuringu kamera de ikou: Zen 69 kishu no shōkai to tsukaikata (スプリングカメラでいこう: 全69機種の紹介と使い方, Let's try spring cameras: Presentation and use of 69 machines). Tokyo: Shashinkogyo Syuppan-sha, 2004. ISBN 4-87956-072-3. Pp.180–7.