Thread: GS 16" Dobsonian
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Old 20-09-2007, 09:53 PM
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Domol (Domenic)
Bring on the night!

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Join Date: Jan 2007
Location: Dingley Village
Posts: 162
malmsteen
basically aperture size relates to amount of light collected. bigger is better!
F ratio determines your field view with a given eyepiece
I hope i haven't confused you.
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