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Old 26-06-2006, 08:36 PM
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asimov (John)
Planet photographer

asimov is offline
 
Join Date: May 2005
Location: Bundaberg
Posts: 8,819
I've got the same problem with my 12.5" 2" full thickness primary. Extensive mucking about with fans & testing this & that was...it never really got to ambient. I figured my only hope would be forget about getting it to ambient, but rather concentrate on expelling the barrier layer, which can be done with a minimum of fuss with 2 fans blowing across the mirror.
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