Berthiot Trousse à tirage constant.
Presented by Arnaud SAUDAX.
| Brand: | Berthiot | ||
| Model: | Trousse à tirage constant. | ||
| Made in: | France | France |
|
| Lenght: | 100 mm | Type: | Grand angle |
| Maximum aperture: | ~ 22 | Minimum aperture: | 99 |
| Made from: | c. 1905 Serial number: | To: | Serial number: |
| Optical formula: | Deux groupes de deux ou trois lentilles collées. (?) | Focusing mode: | Manuelle |
| Minimum focusing: | 1000 (metric) | Macro: | |
| Mount: | Autre diamètre à vis | Multi-coated: | |
| Lenght maxi: | 22,5 (mm) | Lenght mini: | 22,5 (mm) |
| Diameter maxi: | 54 (mm) | ||
| Weight: | 133 (g.) | ||
| Filter mount: | 42 v (mm) | ||
| Comments: | Cet objectif « métrique » équipait une chambre rigide et pour | ||
| Central shutter: | Number of blades: | 10 | |
| Integrated filter: | Hood: | ||
| Angle of view: | Macro ratio: | ||
