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Re: [ATM] Illuminated Field - How Much?
These two Sky and Telescope articles discuss illuminated field size and
diagonal mirror size.
If you don't want to go to your public library to get them, you can
order them as pdf files at http://skyandtelescope.com/magazinearchive/
Individual pdf file s of articles go for $2.95 each.
Sizing Up the Newtonian Secondary
By Gary Seronik | August 2000, p. 120-123
Diagonal Calculations with Sec
By Alan Adler | August 2000
Mark Holm
mdholm@telerama.com
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