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Old August 21st, 2007 -   #3 (permalink)
lysol
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Default Re: Emulsion problem...

Quote:
Originally Posted by no demo
are you using a bulb for exposure? it looks like the center is overexposed... let me know what type of emulsion, how long you exposed for and what exposure method you are using and I may be able to help.
Yes I'm using a 150w bulb with a 8.5" reflector 12 inches above the screen for 10 minutes and 30 seconds. It's diazo emulsion I got with a speedball kit. I'm using a sheet of glass that is 1cm thick on top of the screen. This is my first time trying it and I'm already fairly frustrated.