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Re: [ATM] Lens after diagonal?
Found the reference I think...(using the search engine at the S&T website)...
Telescope Techniques – October 2001, p. 122-125
Downsizing Newtonian Secondary Mirrors
By Ernie Pfannenschmidt
Box: More Uses for Relay Lenses
By Gary Seronik
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Michael Lindner
http://www.starastronomy.org *** http://home.att.net/~mikel
http://www.atmsite.org *** http://www.atmlist.net
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