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Old 18-08-2015, 03:57 PM
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jjjnettie (Jeanette)
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Join Date: Feb 2005
Location: Gladstone
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Seeing how you'll be hanging this extended imaging train off the side of your scope (don't forget to add in the weight of your extender) I'd be going for the lightest possible solution.
I wouldn't worry too much about vignetting or coma as the targets will still be small enough that you can crop the worst out.
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