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Re: [APML] Black Negs a new developement



orthochromatic film (they exist in 35mm) can be processed under dark red light,
panchromatic films (99% of all black and white films) can be viewed for a short
time under dark green light.

Albert



George Anderson wrote:

> Outside of certain lithographic film plates I don't know of any medium
> format or 35mm film that is safe under any sort of darkroom light. If
> you can see the light, the film can see it faster and better.  :^0
>
> George Anderson
> Montreal Canada
>
> Clear skies and good health
>
> Glenn Graham wrote:
> >
> > I didn't get in on the beginning of this message thread and its been a LONG time since I
> > used tech-pan but isn't TP sensitive to the red darkroom lights that are often used while
> > working with b&w film? Could you have had one on at any point while the film was exposed?
> >
> > -Glenn
>
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