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Old 06-09-2008, 01:44 PM
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Aster
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Join Date: Jun 2007
Location: Healesville, Vic. Australia
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Quote:
Originally Posted by Satchmo View Post
Plop is a great simulation tool.

If allowing for refocus, 6 points are generally better than 9. Just arrange them equidistant at the 58% radius zone.
Hi Mark,

I was thinking of supporting it on a continuous ring just inside of the outside diameter, around the 90 - 95% zone.
Leaving as much of the back exposed to the air as possible.
Mirror is only 31mm thick, moulded pyrex. Will it deform,sag to much from a parabola ?

Your silicon/velcro idea sounds great. Would save me a lot of work making side supports and clips.

Have it mounted at present with a standard 3 point system made out of particle board, which naturally doesn't keep it's collimation.
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