Sparky,Sparky said:Yes, of course it can. It can be used with white light too. It just depends on the level of illumination..! (not trying to be smart-ass here, a safelight can fog paper very easily, too!). Some papers are ever-so-slightly more sensitive to other parts of the spectrum - it's a subtle art. I'm not trying to be punny when I say this - but there's no black-and-white answer to your question.
PhotoJim said:I honestly have no idea - I'm not at all familiar with your safelight - but underdoing some safelight testing would probably be faster than waiting for us to give you an intelligent answer.Honestly, it's wise to do it anyway because just because someone from here has good success with that combination, you might not. If there safelight were further from the paper, that could make all the difference.
My guess, and it's just a guess: you'll be fine. But pull out a sheet in the pitch dark, cut it into four, and run tests on it. If you need help devising tests, let me know but generally you want to give the paper exposure to a medium grey tone and then test for fogging. Fogging tends to affect exposed image more than unexposed image.
Jim
Monophoto said:Don -
Do you mean "Thomas" sodium safelight?
df cardwell said:Yes. Just mind the brightness: start by adjusting the level with the vanes
for a comfy brughtness.
Where's you get the Elite, you dog...
donbga said:Sparky,
I'll rephrase my question. Can a Thomas safelight be used safely with the amber filters while working with Kodak Elite FA?
I'm quite aware that different papers have different spectral sensitivities, the consqunce of that being possible safe light fog with different safelight filters and light sources.
I just thought someone might have a black and white answer based on their experience with Elite FA and the Thomas safelight.
Just for the record Sparky, I'm keeping count.
Sparky said:Hi Don - what I was trying to say was simply that ALL safelights will fog all papers when placed close enough, and that ALL safelights will be SAFE for all papers when the exposure is minimized. There's simply no cut-and-dried answer to your question. I'd recommend leaving out a sample exposed to the light for various amounts of time, up to, say 3 hours, as a test strip of sorts, though on separate pieces. This is the only way you can really know for your light, under specific circumstances. Sorry - there's no easy way out of it. It's something that should be known for EVERY darkroom.
I used Elite for a spell (maybe a year) under amber filtered fluorescents, and it was generally fine. There was no fogging that I know of.
Though - interestingly, as an aside, I think that safelight fogging can be incredibly subtle and hard to detect. I used to use Galerie in a friend's darkroom a lot. Never had any fogging 'issues'. They then got rid of their processing area with an Ilford Ciba processor, so I was forced to use drums to process my B&W. Surprisingly, my prints suddenly became much better. The highlights 'sparkled' much more. It wasn't something I could really put my finger on... but the prints seemed to 'sing' a lot more... I try to absolutely avoid safelights under all possible circumstances now.
df cardwell said:The Thomas does require a little sense, however. It is VERY bright, and if you position it to illuminate the room without shining directly on the paper, that is ideal.
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