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Certo Dolly 3 x 4 (modèle A)
France Version française
Photos by VB text by VB. From the collection of VB. Last update 2024-04-01 par Sylvain Halgand.

Manufactured or assembled in Germany from (Circa) 1932 to (After) 1932.
Index of rarity in France: Infrequent (among non-specialized garage sales)
Inventory number: 15305

See the complete technical specifications

Chronology of cameras Certo 

The Dolly is either a klapp (X-shaped struts) or a folding camera. Both types use 127 film, but the first produces negatives of 3 x 4 cm and inherits the name Dolly 3 x 4, while the second produces larger negatives (4 x 6.5 cm).
Both models coexisted in the 1930s.

Each of the two types is subdivided into two models, each with numerous variants depending on the shutter and lens model:


Non exhaustiv Klapp (Dolly 3 x 4) Folding
Model A Model B 1 Model A Model B2
Vario Compur   Compur Compur    


Radionar
f/2,9
       
Certar
f/4,5
     
Certomat
f/8
           

1 The B model of the klapp has focus adjustment through a radial lever.
2 The B model of the folding camera is hybrid: film and plate.

__________

This Model A specimen is likely one of the simplest in the range, lacking a focus adjustment and featuring only three aperture settings: 8, 12, or 18, grouped at the far end of the engraved plate which could accommodate more values. The Gauthier Vario shutter, devoid of a self-timer, has a peculiar feature: with this type of always-ready shutter, winding and triggering occur in quick succession. Here, when inserting a pin or needle into the small hole opposite the trigger, winding always occurs but not the triggering; the camera only triggers when the pin is removed. By attaching the needle to a long thread, one thus has a sort of remote control.

The Dolly 3 x 4 evidently served as a model for the Riken Kinsi.

Certo Dolly 3 x 4





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