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mark cowan
Vendor (Obsidian Optics)
Reged: 06/03/05
Posts: 2156
Loc: salem, OR
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Re: Thick mirrors
07/05/09 07:15 PM
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I certainly hope the back of the cellular is already flat. For what they cost they should be trued and ready to work. Especially so as the blank is cast with approximate ROC built in - otherwise that .3" face thickness isn't going to work in a 28"!!
Best, Mark
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