Chronology of the Certo brand

Manufactured in Allemagne from prior to 1937 until after 1938.
Index of rarity in France : Rare (among non-specialized garage sales)
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Inventory number: 30062
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Traduction de Manuel M
The series of Dollina was prolific and durable. It was declined into Super-Dollina.
Here, it is about the very first version, called “0” (for once the first model of a serie bears a number!). On this model, the adjustment of the distance is done while turning the frontal lens. On Dollina I, a big knob located at the top of the body makes it possible to adjust it. On Dollina II, it has a coupled rangefinder there. One can in the case of put questions about the praticity of the serrated roller in the case of Dollina I, because the adjustment requires to leave the centring of the eyes.
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