Idea (metal)

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Japanese plate cameras
Monocular cameras (edit)
No.0 (4×5cm) Secrette
atom (4.5×6cm) New Argus | Egorette | Secrette
Box cameras (edit)
No.0 (4×5cm) Adam | Hayatori Renshūyō
atom (4.5×6cm) Atom Hayatori Shashinki
meishi (5.5×8cm) Cherry
tefuda (8×10.5cm) Champion | Cherry | Sakura Army | Sakura Honor | Sakura Navy
nimaigake (8×12cm) Sakura Honor
kabine (12×16.5cm) Sakura Honor
Folding bed cameras (edit)
No.0 (4×5cm) Alpha | Sweet | Pony Sweet | Taishō-shiki
atom (4.5×6cm) Monarch | Need | Palma
meishi (5.5×8cm) Eagle | Idea A | Idea B | Idea Snap | Idea No.1 | Iris | Lily (horizontal) | Pearl No.3 | Special Camera | Venis | X
daimeishi (6.5×9cm) Apollo | Arcadia | Crite | Special East | Eaton | Elliotte | First | First Etui | Gold | Happy | Hope | Idea No.1 | Idea (metal) | Kinka | Kokka | Lily (horizontal) | Lily (metal) | Tropical Lily | Lloyd | Lomax | Masnette | Mikuni | Need | Nifca Klapp | Nifca Sport | Ohca | Palma | Peter | Prince | Prince Peerless | Proud | Romax | Rosen | Rubies | Sirius | Sun | Super | Tokiwa | Venus | Weha Idea | Weha Light
tefuda (8×10.5cm) Eagle | Idea A | Idea B | Idea No.1 | Idea (metal) | Iris | Lily (original) | Lily (horizontal) | Lily (metal) | Palma | Pearl No.3, No.4 | Minimum Pearl | Special Pearl | Sakura Palace | Sakura Pocket Prano | Star | Tokiwa | Weha
nimaigake (8×12cm) Eagle | Idea | Idea Binocular | Sakura Prano | Sakura Binocular Prano | Star Premo
hagaki (8×14cm) Eagle | Noble | Pearl No.3, No.4 | Star
kabine (12×16.5cm) Idea | Noble | Sakura Prano | Star Premo
Strut-folding cameras (edit)
No.0 (4×5cm) CH
atom (4.5×6cm) Idea Spring
meishi (5.5×8cm) Minimum Idea | Korok
daimeishi (6.5×9cm) Idea Spring | Minolta | Auto Minolta | Auto Press Minolta | Nifca-Dox | Vester Klapp
tefuda (8×10.5cm) Focal Happy | Idea Spring | Idea Telephoto
10×15cm Kongo Press
kabine (12×16.5cm) Idea Spring | Idea Telephoto
SLR cameras (edit)
atom (4.5×6cm) Simplex Reflex | Speed Reflex
meishi (5.5×8cm) Speed Reflex
daimeishi (6.5×9cm) Convex Reflex | Hogo Reflex | Idea Reflex (1932) | Neat Reflex | Simplex Reflex | Speed Reflex
tefuda (8×10.5cm) Idea Reflex (1910 and 1911) | Idea Reflex (1932) | Neat Reflex | Photo Deluxe Reflex | Speed Reflex
nimaigake (8×12cm) Idea Reflex (1910 and 1911) | Sakura Reflex Prano
kabine (12×16.5cm) Idea Reflex (1910 and 1911)
daikabine (13×18cm) Guaranteed Reflex
unknown Hardflex | Leinflex | Photoman Special Reflex
Stereo cameras
3.7×5cm Tokioscope
4×5in Idea Binocular | Sakura Binocular Prano
Japanese 3×4 and 4×4, 4×5 and 4×6.5, 4.5×6, 6×6 and 6×9 ->
This is a work in progress.

The Idea (アイデア) are Japanese plate folders made by Rokuoh-sha, the manufacturing branch of Konishiroku (predecessor of Konica). This page is about the models made after the introduction of a metal body in 1930, existing in 6.5×9cm or 8×10.5cm size. All the metal Idea have a vertical body and split folding struts. For the earlier wooden models, see Idea (wooden).

1930 model

The Idea models released in 1930 were the first to have a metal body.[1] The bellows have "one and a half" extension,[2] and there is a small focusing index on the photographer's right, moving along a distance scale. The U-shaped front standard has rounded contours and allows vertical movements.[3] There is a brilliant finder, a wireframe hinged to the front standard and a small round eyepiece at the rear. There is a leather handle and a folding bed release at the top. The original ground glass hood has the name Rokuoh-sha embossed in the leather, and the metal plate holders and film pack holder also have ROKUOH-SHA inscribed in relief.

The 1930 model exists in 6.5×9cm and 8×10.5cm size, and was reportedly offered with the following lens and shutter combinations:[4]

One example is also known with the Trinar f/6.3 lens and a Koilos shutter (T, B, 25–100), in 8×10.5cm size.[8]

The camera was advertised in the June 1932 issue of Asahi Camera, where the price is given as "from ¥35" for 6.5×9cm daimeishi size and "from ¥44" for 8×10.5cm tefuda size, with an f/6.8 lens.

The known surviving examples show some variations in the position of the brilliant finder and consequently in the shape of the lens standard. At least three types exist. The presumably older one, observed in 6.5×9cm size, has the brilliant finder centered above the lens; this finder is collapsible and has a square window.[9] The presumably intermediate type, observed in 8×10.5cm size, has a large collapsible finder offset to the left, with a round window.[10] The presumably late type, observed in 6.5×9cm size, has a smaller rigid finder offset to the left, with a round window, similar to that of the 1933 Idea.[11]

Bibliography

Links

In Japanese:

  • Date: Kikuoka, p.30 of Kurashikku Kamera Senka no.10; Sugiyama, items 1096–9.
  • "One and a half" extension: Kikuoka, p.30 of Kurashikku Kamera Senka no.10.
  • Vertical movements: Kikuoka, p.30 of Kurashikku Kamera Senka no.10.
  • Kikuoka, p.31 of Kurashikku Kamera Senka no.10.
  • This version is pictured in 6.5×9cm size in Sugiyama, item 1099 (where the lens name is wrongly spelled "Deltus"), and perhaps in McKeown, p.538.
  • This version is pictured in 6.5×9cm size in Sugiyama, item 1096.
  • This version is pictured in 6.5×9cm size in Sugiyama, item 1097.
  • Example pictured in Sugiyama, item 1098.
  • Example pictured in Sugiyama, item 1096, and example pictured in McKeown, p.538.
  • Example pictured in Sugiyama, item 1098.
  • Examples pictured in Sugiyama, items 1097 and 1099.