Thread: Best Focal Length ratio for a guide scope
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Old 18-01-2019, 10:00 AM
dan_iana (Daniel and Iana)
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Join Date: Feb 2016
Location: Sydney, Australia
Posts: 22
I've had pretty reasonable success guiding my c8 edge hd (with 0.7x reducer) with a 50mm Orion guide scope (focal length 162mm) and asi290mc (doubles as my planteray).
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