Thread: 394 mm diameter ultrathin mirror project
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Old 27-10-2005, 03:10 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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Vaktel mirrors
Just picked up the 5mm thick slumped 18" blanks. I'll post a couple of photos over the weekend. The lack of proper moulds has given them a sag of 8mm.
Good enough to continue the vacuum trials.
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