In 1938 Mr Fritz KAFTANSKI patented this camera in Czechoslovakia.
It has a sport finder that can receive an optical finder as shown below.
The lens is a Fexar Spec Optik. There is a black square on right bottom
of the faceplate on the model shown, but some have
markings as 'Made
The back of the camera must be removed to place the optical
This was made in Czechoslovakia too on the basis of the above mentioned
It has only the built in optical viewfinder and the lens is a Fexar
These cameras were made in France after KAFTANSKI moved From Prag (CZ)
to Lyon (F)in 1942.
On the picture above one has no name on lens, the other has a Fexar Spec
Optic, OPTIC spelling with a C and not a K as on the Czech model.
It's was not easy to say if the molds used were the Czech molds or not,
but the answer is found after desassembling two of these cameras :
The Czech mold is done in one block as the French has the front part
removable for easier installation of the shutter. I own this information from the French
FEX manager who tell me he was at the origin of the modification to make better profits in
The French SUPERFEX with OPTIK spelled with a K as on Czech mold. On faceplates
does appear the mention 'FEX France'