Wratten 44A Filter
I read that the above is useful for landscape work with black and white. I gather it is a Blue/ Green filter. What would be the nearest to a 44A and should I be able to acquire one in a 39mm screw thread? I also read that it gives black and white film orthochromatic qualities
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"Die Zukunft der Erinnerung" -Leica-"The Future of Memories"
Regards Kenneth
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