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Certo Dolly 3 x 4 (modèle B) |
 Version française |
Manufactured or assembled in Germany from (Circa) 1931 to (After) 1931.
Index of rarity in France: Rare (among non-specialized garage sales)
Inventory number: 783
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 |
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| Certar f/4,5 |
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| Certomat f/8 |
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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.__________
The uniqueness of this model lies in its method of adjusting the shooting distance. A rod with a hole drilled through it is attached to the focus ring. The hole aligns with the numbers engraved on a curved index on an ivory-colored plate. This system ensures excellent readability of distances and ease of adjustment, but only when viewing the camera from the front.
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