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Convex Mandrell

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Posted by Lawence Fry on March 9, 2006 20:20:39 UTC

I am looking at making a convex mandrel for a composite mirror project. On a search of the forum, I noticed that making a convex mirror is easy, but testing it is more difficult.

Has anybody made a convex mirror (paraboloid or hyperboloid) of the 6 to 10" size? F/8 or faster.

with kind regards,

Lawrence Fry

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