The name FEX has produced a wide variety of devices, mostly very simple and basic.
Apparently all originated in Czechoslovakia in the late '30s to a certain deed Kaftanski Fritz, who designed a simple device made of bakelite.
He used 127 roll film type and it was extremely spartan: a single shutter speed plus Bulb, a simple meniscus lens, viewfinder goal.
The tragic events of the war saw the FEX emigrate and be reborn in France after the war, while Kaftanski was distinguished by the design of other devices, with some interesting solutions.
The factory was called INDO, from industries Optique, and cooks over the years a huge variety of devices.
names were the most imaginative, always on a "FEX", so we have the SUPER FEX, the ULTRA FEX, the SPORT FEX, UNI FEX, RUBI FEX, et cetera.
They used 127 film or the larger 620, which allowed to resume 6x9 cm frames from which one could directly obtain the contact prints.
Roll 620 is similar to type 120, however, the spool has a smaller diameter, so these cameras do not allow the rollers 120.
The solution, so you can use is to find two empty rolls 620 and rewind the film in a dark room 120, it is not difficult. The ULTRA
FEX was one of the more "complete", it has:
- fixed focus lens meniscus; - time 1 / 25, 1 / 100, Bulb;
- two diaphragms "normal" and intense "
- sync flash;
- Galilean optical viewfinder.
The shutter speeds are really only two, something between 1 / 25 and 1 / 100, the shutter is so rudimentary that gives no guarantee of consistency.
There is also a kind of lock release button.
The film, at least partly compensate for the deficiencies of the optics, not resting on a plane but on the guide curves.
This is a better uniformity between the center and edges of the frame. On the back
then there is a window to check the progress of the film.
PS: the photos are what they are, as soon as possible I'll do better.
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