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Guidescope FL for 10"SCT?
What focal length would I have to use for guidescope for a 10"SCT at 2500mm?
I have a WO Megrez 80mm 560mm FL f7 guidescope. Would I have to put a 2x barlow for 2500mm fl imaging scope?
I assume the guidescope would be ok if a used a f6.3 converter on the main scope.
Experienced help would be appreciated
Thanks, Allan
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