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halftone exposure



 
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Old October 25th, 2007 Oct 25, 2007 8:18:41 AM -   #1 (permalink)
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Default halftone exposure

Hello all .Ipurchased a used lawson expo lite unit. It has 8 flourescent tube. I am trying to get a close time for halftone exposure on a 230 mesh screen. I am not familiar with the tube exposure system i have always used halide lights, but that was 16 years ago. just getting back in the business and relearning. any help would be great. Thanks again.
 
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Old October 25th, 2007 Oct 25, 2007 9:00:56 AM -   #2 (permalink)
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Default Re: halftone exposure

you will need to do some tests. The age of the bulbs come into play. Your best bet is to get yourself an exposure calculator from your local screen print supplier and do some tests.
 
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Old October 25th, 2007 Oct 25, 2007 9:06:05 AM -   #3 (permalink)
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Default Re: halftone exposure

thanks i have been trying to find one maybe searching for wrong thing.
 
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Old October 25th, 2007 Oct 25, 2007 9:46:30 AM -   #4 (permalink)
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Default Re: halftone exposure

auto type carries them or used to. Try contacting them. Actually I believe Richard Greaves of Ulano might have posted a link to one in a post here on the forums.
 
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