Difference between revisions of "Seikosha-Rapid"

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The '''Seikosha-Rapid''' is a Japanese leaf shutter by the company [[Seikosha]], inspired by the German [[Compur-Rapid]]. It was developed in 1941 and sold from 1946 in [[Shutter size|#00 size]], with 1/500 top speed. A variant in [[Shutter size|#0 size]] followed in 1952 with 1/400 top speed.<REF> Dates: ''Shunkan o torae-tsuzukeru shattā-ten'', p.&nbsp;9. </REF> The Seikosha-Rapid was followed by the [[Seikosha-MX]].
 
The '''Seikosha-Rapid''' is a Japanese leaf shutter by the company [[Seikosha]], inspired by the German [[Compur-Rapid]]. It was developed in 1941 and sold from 1946 in [[Shutter size|#00 size]], with 1/500 top speed. A variant in [[Shutter size|#0 size]] followed in 1952 with 1/400 top speed.<REF> Dates: ''Shunkan o torae-tsuzukeru shattā-ten'', p.&nbsp;9. </REF> The Seikosha-Rapid was followed by the [[Seikosha-MX]].
  
== Variations and cameras equipped ==
+
== #00 size ==
=== Top speed 1/500 ===
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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:
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* Early variant with T, B, 1, 2, 5, 10, 25, 50, 100, 250, 500 speeds:
* [[Minion III]] by [[Topcon|Tōkyō Kōgaku]]
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** [[Minion III]] by [[Topcon|Tōkyō Kōgaku]]
Usual variant in #00 size with B, 1, 2, 5, 10, 25, 50, 100, 250, 500 speeds:
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* Usual variant with B, 1, 2, 5, 10, 25, 50, 100, 250, 500 speeds:
* [[Olympus Flex|Olympus Flex A&nbsp;3.5]] by [[Olympus]]
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** [[Olympus Flex|Olympus Flex A&nbsp;3.5]] by [[Olympus]]
* [[Zenobia|Zenobia C&nbsp;II, H&nbsp;II, R and R&nbsp;II]] by [[Daiichi|Daiichi Kōgaku]]
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** [[Zenobia|Zenobia C&nbsp;II, H&nbsp;II, R and R&nbsp;II]] by [[Daiichi|Daiichi Kōgaku]]
Unknown model:
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* Unknown model:
* [[Fujica Six|Fujica Six IS, ICS and IICS]] by [[Fuji]]
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** [[Fujica Six|Fujica Six IS, ICS and IICS]] by [[Fuji]]
  
=== Top speed 1/400 ===
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== #0 size ==
Model with #0 size and B, 1, 2, 5, 10, 25, 50, 100, 200, 400 speeds:
+
Only known with B, 1, 2, 5, 10, 25, 50, 100, 200, 400 speeds.
 +
 
 +
Variants and cameras equipped (incomplete list, and not all variants are concerned):
 
* [[Koniflex]] by [[Konica|Konishiroku]]
 
* [[Koniflex]] by [[Konica|Konishiroku]]
 
* [[Olympus Flex|Olympus Flex I, BI, BII and A&nbsp;2.8]] by [[Olympus]]
 
* [[Olympus Flex|Olympus Flex I, BI, BII and A&nbsp;2.8]] by [[Olympus]]

Revision as of 19:34, 21 September 2006

The Seikosha-Rapid is a Japanese leaf shutter by the company Seikosha, inspired by the German Compur-Rapid. 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.

Variants and 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)