Re: [ATM] Optimal beginners mirror making project

[Michael Lindner <mikell@optonline.net>]

On Thursday 08 July 2004 07:15 pm, Richard Brodie wrote:
> ...Would a 12", F5, plate glass
> be too ambitious for a beginners project? Should I start with another 8"
> or should I use pyrex instead of plate?

10-12" is a fine size to start with, but I would stay away from plate as a 
first project. It's hard enough learning to read shadows without having to 
deal with those shadows changing as the material changes temperature. YMMV.

-- 
Michael Lindner
http://www.starastronomy.org *** http://home.att.net/~mikel
http://www.atmsite.org *** http://www.atmlist.net

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