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| Re: Diagonal Size
Forum List | Follow Ups | Post Message | Back to Thread Topics Posted by Bruce Swayze/">Bruce Swayze on September 3, 1997 06:19:06 UTC |
: I'm building a 8"f/6 Dobsonian reflector with a 10-1/4" : O.D. tube and about a 3" focuser. The way I added it : all up my diagonal should be about 2"dia. could someone : double check this for me? Check out Mel Bartel's home page. He has an excellent program that you can download called "diagonal.exe" that you run from a DOS prompt. It will calculate everything you need to know about diagonal size for any telescope. Good luck with your scope!
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