Durax
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| Postwar Durax shutter, on a Semi Pearl. Picture courtesy of Geoff Cliffe, Melbourne. (Image rights) |
The Durax are Japanese leaf shutters made by Rokuoh-sha, then by Konishiroku (predecessors of Konica).
Large model
The large model in #0 size gives T, B, 1, 2, 5, 10, 25, 50, 125 speeds. It was originally advertised in 1933 as the Zeus (ゼウス), but was quickly renamed Durax, perhaps because the brand name was already registered by someone else. No surviving example of the Zeus has ever been observed, and the shutter was perhaps never sold under that name.
Small model
The small model in #00 size was released at the beginning of 1938 for the 4.5×6cm Semi Pearl, in combination with a Hexar lens. The production of that model was resumed after 1945.
List of cameras
Not all the versions were equipped with a Zeus or Durax shutter:
To be continued
Notes
Links
In Japanese:
- Advertisement in Shashin Geppō March 1933 mentioning the Zeus, reproduced at the bottom of this page of the R. Konishi Rokuoh-sha website
