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Rollei Rolleiflex 4 x 4 (K.1A 421) |
 Version française |
Manufactured or assembled in Germany from 1933 to 1934.
Index of rarity in France: Rare (among non-specialized garage sales)
Inventory number: 8079
See the complete technical specifications
Chronology of cameras Rollei
The Rolleiflex 4x4 Model 2 K1.A 421, is easily identifiable by the presence of peep window above the viewing lens, the simple Compur shutter to a maximum speed of 300 and a Tessar 1:2.8 as taking lens. The nameplate serial number starts at 149,000 in February 1933 and ends around 154,999 in December 1934. The hidden body serial numbers (meaning production) are in the range 9501 to 11xxx (together with the model 421 with Tessar 1:3.5). Franke & Heidecke produced around 1680 of these cameras. A number of examples with out-of-range nameplate serial numbers are known, namely on the ranges 247xxx and 254xxx. This camera has the serial 247,427.
The major changes from the first model are the peep window and inclusion of the exposure table at the back. The table has no sensitivity inscribed, matching the first type of the larger sibling camera (Rolleiflex Standard). Export cameras follow the same pattern also, with the Hurter & Driffield system (H.D. 1000 and 500).
The modifications in the course of production of the second model were the inclusion of stereo/panorama studs around serial 153,000, matching the timing of the same change in the Rolleiflex Standard, and the change of k to c in ‘Heidoscop’ on the viewing lens. Also, the back exposure table stops down to aperture 8 initially and later to 11 (around body number 10,000).
Rolleiflex 4x4 (model 2) K1.A 421 Tessar 1:2.8
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