Langer & Co.
6 Kameras · 6 Modelle · 1903–1920
| Modell | Jahr | Typ | Objektiv |
|---|---|---|---|
| Elko 9x12 | 1912 | Lb/Rao | D.-Anast. 6,8 |
| Elko 10x15 | 1912 | Lb/Rao | Aristostigmat |
| Elkoskop | 1920 | Fg/Rao | Aristostigmat |
| Knox | 1903 | Lb/Ms | Meniskus |
| Langer-Kamera | 1905 | Lb/Ms | Hemi-Anast. |
| Reisekamera | 1905 | Rk/Ms | Rap.Aplanat |