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French Photometers
French-made photometers.
Decoudun
Decoudun at work, almost hidden under a black cloth on the ground-glass screen of a studio camera. 1890. It was the first light meter to operate in this way.
Decoudun actinometer
Decoudun actinometer.
Decoudun verre dépoli
Decoudun photometer for ground-glass screen.
Decoudun mixte
Médaillon Temps de Pose J.Decoudun
Volomat
Filmograph
Filmograph II
"Exact"
Le cronopose "Exact" de Cannevel
Chronoscope Pap
Poso-tel-lux
Posas
SN
Chauvin Arnoux
Cellophot de Chauvin Arnoux
LMT
Luminox Any 1948
Inox Any 1954
Foca - Baby cell
Fotòmetres francesos I
Fotòmetres francesos II