In reference to darkroom safelights, to what do the initials 'OC' refer?
In reference to darkroom safelights, to what do the initials 'OC' refer?
It's an old Kodak-Wratten designation for a yellowy-orange safelight filter. In other words a "standard" orange B&W printing safelight.
Just a guess. Orthochromatic, perhaps? Signifyig its safe for using with orthochromatic materials..... DJ
More safelight info at:
Kodak's safelight Techinfo
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