Brand: | Berthiot | ||
Model: | Périgraphe Série VIa | ||
Made in: | France | France |
|
Lenght: | 9 cm | Type: | Grand angle |
Maximum aperture: | 14 | Minimum aperture: | 56 |
Made from: | ~ 1920 Serial number: | To: | > 1960 Serial number: |
Optical formula: | Symétrique dédoublable à six lentilles en deux groupes. | Focusing mode: | |
Minimum focusing: | (metric) | Macro: | |
Mount: | Multi-coated: | Non | |
Lenght maxi: | 16 (mm) | Lenght mini: | 16 (mm) |
Diameter maxi: | 48 (mm) | ||
Weight: | 85 (g.) | ||
Filter mount: | (mm) | ||
Comments: | "PERIGRAPHE SERIE VIa F:14 178363 BERTHIOT PARIS" "Spécial pour photographie Métrique Système A. Bertillon" Cet objectif était destiné à la Police Judiciaire pour photographier les lieux de crime. Une méthodologie de prise de vue et des cadres où la perspective était reportée permettaient de faire des mesures donnant la taille réelle des objets présents dans le champ, d'où le nom de "photographie métrique". | ||
Central shutter: | Non | Number of blades: | |
Integrated filter: | Hood: | ||
Angle of view: | 115 | Macro ratio: |
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Berthiot Périgraphe Série VIaPresented by Arnaud SAUDAX.
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La collection d'appareils photo anciens et de photographies anciennes by Sylvain Halgand 1999-2024