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Re; [ATM] Banishing the secondary
Here is a link to a very good drawing of the two mirror 4.25 inch
schiefspiegler. All the needed dimensions are there. The S&T article
referenced, although old, should be available through a public library.
It is a very well written and practical article. I have read it.
http://telescopemaking.org/schief.html
Mark Holm
mdholm@telerama.com
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