Hi, I have built an exposure unit using a 400w halogen bulb with the front glass removed. I am using A1 size screens, how long would someone advise I expose the screen for and how far away should I set the bulb from the screen?
Thank you!
how far to set my light and how long to expose?
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Re: how far to set my light and how long to expose?
Most of the sites I have been reading talk about using a 500 watt or a 250 watt bulb.
Speedball kit has a chart for these listing setting at 12" 10 min at 250 watts
I also read somewhere 9min using a 500 watt at 12" search the webb //
Speedball kit has a chart for these listing setting at 12" 10 min at 250 watts
I also read somewhere 9min using a 500 watt at 12" search the webb //
Re: how far to set my light and how long to expose?
I have a 500 watt halogan light at 18inches and burn for 17 minutes according to the build specs i got. I'm here to follow as I tend to blowout emulsion when I use power washer to wash out screen after I burn screen.
Love to hear thoughts!
Love to hear thoughts!