Difference between revisions of "Japanese 3×4 and 4×4 pseudo TLR"

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m (Chukon Ref moved to Japanese 3x4 and 4x4 pseudo TLR cameras: one page for all the name variants, all are the same camera)
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Revision as of 22:50, 1 August 2006

Template:127 Japan The Chukon Ref (チューコンレフ)[1] is a 3×4cm format pseudo TLR released by Riken Kōgaku Kōgyō (today Ricoh) in 1939. Its shape imitates a twin lens reflex but it is fixed-focus and the finder is nothing more than a big brilliant finder. It has a black bakelite body, and the lens is said to be a Chukon Anastigmat 50/6.3 with three elements[2] The shutter has B, 25, 50, 75, 100 speeds. The shutter plate is marked Chukon Ref at the top and R.K.K. at the bottom (for Riken Kōgaku Kōgyō).

The camera appears in the new products column of the August 1939 issue of Asahi Camera[3]. It was only sold by Riken but it was made by another company[4]. The Alma Baby Ref sold by Banno Bōeki in 1937–8 or the Clover Baby Ref sold by Hagi Kōgyō Bōeki in 1937 are very similar cameras.[5] It is probable that all these cameras were produced in the same sub-contracting factories.

Notes

  1. The name Chūkon can be written 忠魂 and then it means "faithful spirit", sometimes in the sense of "loyal dead" or "war dead". Riken used such weird "patriotic" names during the war.
  2. In this page of the Ricoh official website.
  3. Kokusan kamera no rekishi, p. 337.
  4. According to this page of the Ricoh official website.
  5. There is also a reference on this page at tlr-cameras.com to a 1939 fixed focus pseudo TLR made by Prince and called "Prince Baby Ref", possibly the same as the Chukon Ref.

Printed bibliography

Links

In Japanese:

Asahi Bussan and Riken prewar and wartime cameras (edit)
rigid or collapsible
Vest Adler | Gokoku | Semi Kinsi | Letix | Olympic | New Olympic | Regal Olympic | Semi Olympic | Super Olympic | Vest Olympic | Riken No.1 | Ricohl | Roico | Seica | Zessan
folders pseudo TLR TLR
Semi Adler | Adler III | Adler A | Adler B | Adler C | Adler Four | Adler Six | Gaica | Heil | Kinsi Chukon Ref Ricohflex | Ricohflex B