Difference between revisions of "Miyoshi"

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=== Lens production ===
 
=== Lens production ===
The company should have been called "Uemura Lens Laboratory", but it was finally decided to call it Miyoshi Kōgaku.<REF> Inoue, p.&nbsp;131 of {{KKS}} no.14. </REF> The initials U.L.L. were retained as the brand name of the lenses. The U.L.L. lenses equipped various prewar and wartime Japanese cameras, and [[Proud|Proud-sha]] was of course one of the main clients. They were available at least in 50mm, 65mm, 75mm and 80mm focal lengths and in f/4.5, f/3.5 and f/2.9 maximal apertures (but maybe not in all combinations).<REF> Advertisement for U.L.L. lenses, reproduced in Inoue, p.131 of {{KKS}} no.14, in Baird, ''The Japanese Camera.'', p.62, and in Baird, ''Kuribayashi-Petri Cameras'', p.24. </REF>
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The company should have been called "Uemura Lens Laboratory", but it was finally decided to call it Miyoshi Kōgaku.<REF> Inoue, p.&nbsp;131 of {{KKS}} no.14. </REF> The initials U.L.L. were retained as the brand name of the lenses. The U.L.L. lenses equipped various prewar and wartime Japanese cameras, and [[Proud|Proud-sha]] was of course one of the main clients. They were available at least in 50mm, 65mm, 75mm and 80mm focal lengths and in f/4.5, f/3.5 and f/2.9 maximal apertures (but maybe not in all combinations).<REF> Advertisement for U.L.L. lenses, reproduced in Inoue, p.131 of {{KKS}} no.14, in Baird, ''The Japanese Camera'', p.62, and in Baird, ''Kuribayashi-Petri Cameras'', p.24. </REF>
  
John Baird says that they were made from "B grade optical glass" (it seems to be an official designation in Japan at the time), sometimes even obtained "by melting and reusing the glass from spectacles and camera lenses".<REF> Baird, ''The Japanese Camera.'', p.63. </REF>
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John Baird says that the company used "B grade optical glass" (perhaps an official designation in Japan at the time), sometimes even obtained "by melting and reusing the glass from spectacles and camera lenses".<REF> Baird, ''The Japanese Camera'', p.63. </REF>
  
 
Kajiro Hitoshi (上代斉) was employed by Miyoshi Kōgaku for a couple of years, as the director of the factory, before founding [[Kajiro Kōgaku]] (the maker of the K.O.L. lenses).<REF> Inoue, p.131 of {{KKS}} no.14. </REF>
 
Kajiro Hitoshi (上代斉) was employed by Miyoshi Kōgaku for a couple of years, as the director of the factory, before founding [[Kajiro Kōgaku]] (the maker of the K.O.L. lenses).<REF> Inoue, p.131 of {{KKS}} no.14. </REF>
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It seems that Miyoshi Kōgaku was gradually merged with [[Proud|Proud-sha]], and that it inherited its camera activity. The [[Semi Prux]], a 4.5×6 folder, copy of the [[Duo Six-20|Kodak Duo]], was jointly advertised by the two companies,<REF> Advertisement in {{ACA}} February 1940, reproduced in {{Kokusan}}, p.90. </REF> and its probable successor the [[Roavic]] (inspired by the [[Duo Six-20|Kodak Duo Series II]]) has a ''U.L.L.'' engraving inside the back.<REF> See the pictures in [http://www.chinesecamera.net/thread-13089-1-1.html this post] at [http://www.chinesecamera.net/ www.chinesecamera.net]. </REF> The company also made the [[Semi Kelly]], a little-known Baldax copy, perhaps a successor to the [[Semi Proud]]. The last camera was the [[Alma Four]], released during the war.
 
It seems that Miyoshi Kōgaku was gradually merged with [[Proud|Proud-sha]], and that it inherited its camera activity. The [[Semi Prux]], a 4.5×6 folder, copy of the [[Duo Six-20|Kodak Duo]], was jointly advertised by the two companies,<REF> Advertisement in {{ACA}} February 1940, reproduced in {{Kokusan}}, p.90. </REF> and its probable successor the [[Roavic]] (inspired by the [[Duo Six-20|Kodak Duo Series II]]) has a ''U.L.L.'' engraving inside the back.<REF> See the pictures in [http://www.chinesecamera.net/thread-13089-1-1.html this post] at [http://www.chinesecamera.net/ www.chinesecamera.net]. </REF> The company also made the [[Semi Kelly]], a little-known Baldax copy, perhaps a successor to the [[Semi Proud]]. The last camera was the [[Alma Four]], released during the war.
  
After the war, the camera production was certainly continued by [[Sumida|Sumida Kōki Seisakusho]]: the Roavic was revived as the [[Apollo and Mikado]] and a number of other cameras were made under the name Proud.
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After the war, the camera production was certainly continued by [[Sumida|Sumida Kōki Seisakusho]]: the [[Roavic]] was revived as the [[Apollo and Mikado]] and a number of other cameras were made under the name Proud.
 
 
List of cameras:
 
* [[Semi Prux]] (4.5×6 folder)
 
* [[Roavic]] (4.5×6 folder)
 
* [[Semi Kelly]] (4.5×6 folder)
 
* [[Alma Four]] (4×4 collapsible)
 
  
 
=== Shutter production ===
 
=== Shutter production ===
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== Camera list ==
 
== Camera list ==
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=== Cameras made by Miyoshi ===
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* [[Roavic]] (4.5×6 folder, 1941–2)
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* [[Semi Kelly]] (4.5×6 folder, 1941)
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* [[Alma Four]] (4×4 collapsible)
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The [[Semi Prux]] (1938–40) was perhaps jointly made with [[Proud]].
  
=== 4×4 ===
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=== Cameras with U.L.L. lenses ===
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* [[Doris (3×4)]]
 +
* [[Baby Doris]]
 
* [[Alma Four]]
 
* [[Alma Four]]
 
=== 4.5×6 folder ===
 
* [[Semi Kelly]] (1941)
 
* [[Roavic]] (1941–2)
 
The [[Semi Prux]] (1938–40) was maybe made in cooperation with [[Proud]].
 
 
== Other cameras with U.L.L. lenses ==
 
 
* [[Semi Proud]]
 
* [[Semi Proud]]
 
* [[Semi Proud|Super Semi Proud]]
 
* [[Semi Proud|Super Semi Proud]]
* [[Doris (3×4)]]
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* [[Semi Prux]]
* [[Baby Doris]]
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* [[Roavic]]
* [[Alma Four]]
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* [[Semi Kelly]]
* [[Shinkoflex|Flex Six]]
 
 
* [[Semi Rody]]
 
* [[Semi Rody]]
 
* [[National and Ugein|Semi National and National Six]]
 
* [[National and Ugein|Semi National and National Six]]
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* [[Shinkoflex|Flex Six]]
  
 
== Notes ==
 
== Notes ==

Revision as of 08:52, 22 July 2009

Miyoshi Kōgaku was a Japanese optical company from 1937 to the war.

History

Miyoshi Kōgaku K.K. (三好光学株式会社) was founded in 1937 by Uemura Taijirō (植村泰二郎).[1] The factory was in Yodobashi, Tokyo, and it also had an address in Ginza.[2] Miyazaki Shizuma (宮崎静馬), the founder and CEO of Proud-sha, was in charge of the commercial operations.[3]

Lens production

The company should have been called "Uemura Lens Laboratory", but it was finally decided to call it Miyoshi Kōgaku.[4] The initials U.L.L. were retained as the brand name of the lenses. The U.L.L. lenses equipped various prewar and wartime Japanese cameras, and Proud-sha was of course one of the main clients. They were available at least in 50mm, 65mm, 75mm and 80mm focal lengths and in f/4.5, f/3.5 and f/2.9 maximal apertures (but maybe not in all combinations).[5]

John Baird says that the company used "B grade optical glass" (perhaps an official designation in Japan at the time), sometimes even obtained "by melting and reusing the glass from spectacles and camera lenses".[6]

Kajiro Hitoshi (上代斉) was employed by Miyoshi Kōgaku for a couple of years, as the director of the factory, before founding Kajiro Kōgaku (the maker of the K.O.L. lenses).[7]

Camera production

It seems that Miyoshi Kōgaku was gradually merged with Proud-sha, and that it inherited its camera activity. The Semi Prux, a 4.5×6 folder, copy of the Kodak Duo, was jointly advertised by the two companies,[8] and its probable successor the Roavic (inspired by the Kodak Duo Series II) has a U.L.L. engraving inside the back.[9] The company also made the Semi Kelly, a little-known Baldax copy, perhaps a successor to the Semi Proud. The last camera was the Alma Four, released during the war.

After the war, the camera production was certainly continued by Sumida Kōki Seisakusho: the Roavic was revived as the Apollo and Mikado and a number of other cameras were made under the name Proud.

Shutter production

Miyoshi produced the Parkur, Selon and Kerio shutters.[10] This activity was probably inherited from the Proud company too. It also made the Vic I and Vic II shutters.[11]

Camera list

Cameras made by Miyoshi

The Semi Prux (1938–40) was perhaps jointly made with Proud.

Cameras with U.L.L. lenses

Notes

  1. Inoue, p.131 of Kurashikku Kamera Senka no.14.
  2. Its address in 1938, 1942 and 1943 was Tōkyō, Yodobashi, Nishi-Ochiai 2–514 (東京市淀橋区西落合2の514). Source: advertisement in Asahi Camera June 1938, p.A77; advertisement dated February 1942 reproduced in Kokusan kamera no rekishi, p.105; and "Kokusan shashinki no genjōchōsa" ("Inquiry into Japanese cameras"). The Ginza address was 東京市京橋区銀座3—豊玉館. Source: June 1938 advertisement.
  3. Inoue, p.131 of Kurashikku Kamera Senka no.14.
  4. Inoue, p. 131 of Kurashikku Kamera Senka no.14.
  5. Advertisement for U.L.L. lenses, reproduced in Inoue, p.131 of Kurashikku Kamera Senka no.14, in Baird, The Japanese Camera, p.62, and in Baird, Kuribayashi-Petri Cameras, p.24.
  6. Baird, The Japanese Camera, p.63.
  7. Inoue, p.131 of Kurashikku Kamera Senka no.14.
  8. Advertisement in Asahi Camera February 1940, reproduced in Kokusan kamera no rekishi, p.90.
  9. See the pictures in this post at www.chinesecamera.net.
  10. Attribution to Miyoshi: "Kokusan shashinki no genjōchōsa" ("Inquiry into Japanese cameras"), shutter items 18-R-5, 18-U-10 and 18-V-2.
  11. "Kokusan shashinki no genjōchōsa" ("Inquiry into Japanese cameras"), shutter items 18-U-13 and 18-V-5.

Bibliography