funkymunky

Ok guys well I am now in a position where I will be burning my first ever screen.
As I am unsure of exposure time with my equipment I am going to do a step test to find correct exposure time. I have also printed two transparancies to make sure that my image is dark enough, I have been double clever and printed numbers on my transparancies, these numbers will correspond to the number of minutes each section is being exposed
Now hopefully when I wash the screen out I will have my answer looking at me!
Now I know this emulsion is light sensitive but how dark does the room which I am working need to be? Is sunlight my main enemy (not a problem as we don't get much in the U.K) or is a flourescent light being on, on the ceiling going to give me trouble also?
I have images of me fumbling around in the dark with a coating trough full of emulsion

Your advice please.

Phil

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marlo45

Get yourself a couple of those yellow bug lights from a local store; they don't affect your emulsion. I bought some for about $.65 each so they're really cheap. That's what i've been using and i get no surprises when working in my dark room. Just to be on the safe side, i don't take my coated screens too close to it, though. Also, i don't keep it on when the screens are drying.

Your dark room needs to be 100% UV free, but that doesn't mean it can't have a little light that doesn't emit UV rays that will affect your emulsion.

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zymerguyer

For the past year I've had my shop set up outside my house, but it has no running water so I do all of my emulsion coating in my bathroom WITH a regular light bulb on, I then bring the screen to a different room that's completely dark with a dehumidifier. After about a half hour I take the screen (I don't bother to cover it) and run it outside through the light of the sun and set up my exposure. I've been doing this for a year and I never have a problem, well maybe once in a great while.

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