Large format photography with century-old dry plates. Using a 1900s period box from the attic !

Описание к видео Large format photography with century-old dry plates. Using a 1900s period box from the attic !

Photography with early 20th-century "Blue Box" Lumière plates.

Tests carried out with classique "blue box" plates and "extreme sensitivity" plates (white).
The blue plates are not very sensitive (less thant 1 ISO). Some are slightly pitted, but largely usable. The white plates seem to be 3 or 4 times faster.
Approximate exposure time (white plates): 45s, 1000lux, F/14

Development :
high-contrast developer (Fomadon P)
stop bath and hardening (optional): chromium alum + citric acid (very diluted)
Fixing with 10% sodium thiosulfate solution (long!). Do not use modern fixatives!

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