Duplum
Birnbaum · 1937
| Typ | Lb/BrRa |
| Format | 6x9 RF/Pl |
| Lens | Xenar 4,5 |
| Shutter | Compur |
Archiv-Nr. BIRN K 0185 a10
Variants (11)
| Nr. | Year | Lens | Shutter | Notes |
|---|---|---|---|---|
| a01 | 1937 | Doxanar 4,5 | Compur | – |
| a02 | 1937 | Doxanar 4,5 | Vario | – |
| a03 | 1937 | Doxanar 6,3 | Vario | – |
| a04 | 1937 | Trinar 4,5 | Compur | – |
| a05 | 1937 | Trinar 4,5 | Compur-Rapid | – |
| a06 | 1937 | Trioplan 3,8 | Compur | – |
| a07 | 1937 | Trioplan 3,8 | Compur-Rapid | – |
| a08 | 1937 | Xenar 3,8 | Compur | – |
| a09 | 1937 | Xenar 3,8 | Compur-Rapid | – |
| a10 | 1937 | Xenar 4,5 | Compur | – |
| a11 | 1937 | Xenar 4,5 | Compur-Rapid | – |