Alain stereo was produced in France in the early 50s and is constructed of plastic. To the Like many French stereo viewers, it was sold at Lourdes and many of the titles of the themes of the film are from that area. The viewer used rolls of film that were introduced at the top of the viewfinder and then manually lowered through the viewfinder. A common problem with these viewers is that the material of the light diffuser deteriorates with the passage of time and acquires a corrugated. The diffuser must be in good condition for this viewer retains its value. The packaging used by the Stereo Alain is very similar to that of the viewer Célde, also manufactured in France, which could suggest a relationship between the two brands. Measures Viewer / Glass 5,5x12,5
