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]]. 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]].
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{{Flickr_image
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|image_source= http://www.flickr.com/photos/heritagefutures/5521864281/in/pool-camerawiki/
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|image= http://farm6.staticflickr.com/5095/5521864281_199859c442_n.jpg
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|image_align= right
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|image_text= Seikosha Rapid on Mamiya SIX IV
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|image_by= Dirk HR Spennemann
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|image_rights=  with permission
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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]].
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Some sources say that the Seikosha-Rapid was developed in 1941 and sold from 1946 in [[Shutter size|#00 size]], with 1/500 top speed.<REF> ''Shunkan o torae-tsuzukeru shattā-ten'', p.&nbsp;9. </REF>
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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.<REF> Advertisement placed in ''Semi Fāsuto no tsukaikata'', published on February 30, 1940, reproduced in Furukawa, p.&nbsp;26 of {{CCN}} no.&nbsp;277. </REF> It is not sure if the camera was actually sold with that shutter. The [[Minion|Minion III]] is mentioned with a "Rapid Seiko" shutter in the {{Inquiry1943_short}} of early 1943, and it was perhaps already available at the time.<REF> {{Inquiry1943_short}}, item 176, shutter item 18-R-8. </REF>
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The Seikosha-Rapid was also developed in [[Shutter size|#0 size]] in 1952 with 1/400 top speed.<REF> ''Shunkan o torae-tsuzukeru shattā-ten'', p.&nbsp;9. </REF> The Seikosha-Rapid was followed by the [[Seikosha-MX]].
  
 
== #00 size ==
 
== #00 size ==
 
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]]
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** [[Minion|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]]
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** [[Arco 35|Arco 35 and Arco 35 Junior]] by [[Arco]]
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** [[Lord 35IIA]] by [[Okaya]]
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** [[Minion 35]] by [[Tōkyō Kōgaku]]
 
** [[Olympus Flex|Olympus Flex A&nbsp;3.5]] by [[Olympus]]
 
** [[Olympus Flex|Olympus Flex A&nbsp;3.5]] by [[Olympus]]
** [[Topcon 35|Topcon 35B]] by [[Topcon|Tōkyō Kōgaku]]
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** [[Samocaflex 35]] by [[Samoca]]
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** [[Auto Terra]] by [[Teraoka]]
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** [[Topcon 35|Topcon 35B]] by [[Tōkyō Kōgaku]]
 
** [[Zenobia|Zenobia C&nbsp;II, H&nbsp;II, R and R&nbsp;II]] by [[Daiichi|Daiichi Kōgaku]]
 
** [[Zenobia|Zenobia C&nbsp;II, H&nbsp;II, R and R&nbsp;II]] by [[Daiichi|Daiichi Kōgaku]]
 
* Unknown model:
 
* Unknown model:
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== Bibliography ==
 
== Bibliography ==
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* 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 {{CCN}} no.277 (July 2000). Nishinomiya: Camera Collectors News-sha. Pp.19&ndash;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)
 
* ''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)
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* {{Inquiry1943}}
  
 
[[Category: Leaf shutters]]
 
[[Category: Leaf shutters]]
 
[[Category: Japanese shutters]]
 
[[Category: Japanese shutters]]

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.