There are two models of the Telka XX with a few versions. First model is with folding frame viewfinder and the second with integrated reverse telescopic viewfinder in the top plate and introduced c.1954.
- Format: 120 roll film, 6x9cm
- Anastigmat DeMaria-Lapierre (3 elements)
- Manar 110mm f/4.5
- Aperture: f/4.5-f/32
- Focus range: 2.5-12m +inf
- Focusing: manual, front element
- First model: Dehel, speeds 1/25-1/175 + B&T
- Second model: Gitzo-Paris, speeds: 1/25-1/200 + B&T
- Flash sync in second model
- Exposure setting aid: (called "Autocal" in French) in late second model
- This is the camera's special exposure setting aid (a kind of exposure table) synchronised with the shutter. It's not coupled to aperture setting.
- The lens front is masked. This mask has four windows, named in French: gris = grey, sombre = dark, brillant = brilliant, and clair = clear for the light conditions. One or more of the windows show an aperture setting suggestion, the other window(s) the non = not. eg. when the speed setting is 1/25, the aperture numbers appear in windows as Bright = 11, clear = 8, gray = 6.3, dark= not