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Old 09-03-2007, 05:05 PM
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DobDobDob (Ron)
Blacktown isn't so black

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Join Date: Jan 2007
Location: Prospect, NSW, 2148
Posts: 1,316
Do refractors have to be collimated?

I've read lots about collimation, but can't figure if you can or have to do it to a refractor telescope, any one tell me?
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