Quote:
Originally Posted by rumples riot
Davo not all the big planet team use a 5x. Some of us use a 2.5x.
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argh yes, i keep forgetting the sct's @ f10.
Norm a scope at f5 ie newtonians (dobs are an example) with a 5x barlow is similiar to a f10 with a 2.5x
Rumples has a f10 scope and basically if he used a 5x barlow, jupiter would be bigger than the imaging screen!