Catalog Photo-Hall 1923 avril
Page 30
Page 30
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| Brand | Model | Camera type | Format | Lens brand | Lens model | Aperture | Shutter brand | Shutter model | Exclusivité |
| Caillon | Bioscope | Jumelle stéréo | 6 x 13 cm | Berthiot | Olor | 6,8 | |||
| Caillon | Bioscope | Jumelle stéréo | 6 x 13 cm | Carl Zeiss | Tessar | 4,5 | |||
| Caillon | Bioscope | Jumelle stéréo | 6 x 13 cm | Berthiot | Olor | 5,7 | |||
| Caillon | Bioscope | Jumelle stéréo | 6 x 13 cm | Roussel | Stylor | 4,5 | |||