My darkroom has the following safelight setup: three 5½ in. OC filters on the Kodak round safelights and a 10x12in OC on a rectangular safelight. I was recently given a 10x12 safelight with an OA filter. I work in B+W only, do enlargements and contact prints. The Kodak Wratten Safelight chart ( http://www.kodak.com/global/en/profe...845/ti0845.pdf ) gives the following:
OA....Black-and-white contact and
duplicating materials, projection
films
OC....Contact and enlarging papers
I don't quite understand the description for the OA filter.
Anyway my question is whether I can mount the OA Safelight in my darkroom or whether I should be looking for a 8x10 OC filter as a replacement in the safelight ????
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