Originally Posted by
pound
thanks all for the useful tips on preventing light leaks. I think i found the issue and unfortunately it was my own undoing. When the film holders came to me ,one of the the darkslide disintegrated and I DIY one with black acrylic. Today I realised the 2 mm thick acrylic is not light proof. I place 8x20 photo paper on each side of the film holder and placed the film holder under light for half an hour. The side with the acrylic darkslide was fogged when I developed the papers.
Let me look for alternative dark slide materials and try again. Again, the tips given are excellent and I will use them when I use my other holder.
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