Difference between revisions of "Seikosha-Rapid"

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(Topcon 35B)
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Variants and cameras equipped (incomplete list, and not all variants are concerned):
 
Variants and cameras equipped (incomplete list, and not all variants are concerned):
 
* Early variant with T, B, 1, 2, 5, 10, 25, 50, 100, 250, 500 speeds:
 
* Early variant with T, B, 1, 2, 5, 10, 25, 50, 100, 250, 500 speeds:
** [[Minion III]] by [[Topcon|Tōkyō Kōgaku]]
+
** [[Minion III]] by [[Tōkyō Kōgaku]]
 
* Usual variant with B, 1, 2, 5, 10, 25, 50, 100, 250, 500 speeds:
 
* Usual variant with B, 1, 2, 5, 10, 25, 50, 100, 250, 500 speeds:
** [[Minion 35]] by [[Topcon|Tōkyō Kōgaku]]
+
** [[Minion 35]] by [[Tōkyō Kōgaku]]
 
** [[Olympus Flex|Olympus Flex A 3.5]] by [[Olympus]]
 
** [[Olympus Flex|Olympus Flex A 3.5]] by [[Olympus]]
** [[Topcon 35|Topcon 35B]] by [[Topcon|Tōkyō Kōgaku]]
+
** [[Topcon 35|Topcon 35B]] by [[Tōkyō Kōgaku]]
 
** [[Zenobia|Zenobia C II, H II, R and R II]] by [[Daiichi|Daiichi Kōgaku]]
 
** [[Zenobia|Zenobia C II, H II, R and R II]] by [[Daiichi|Daiichi Kōgaku]]
 
* Unknown model:
 
* Unknown model:

Revision as of 12:53, 20 January 2007

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. It was developed in 1941 and sold from 1946 in #00 size, with 1/500 top speed. A variant in #0 size followed in 1952 with 1/400 top speed.[1] 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. Dates: Shunkan o torae-tsuzukeru shattā-ten, p. 9.

Bibliography

  • 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)