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Originally Posted by [1ponders]
h0ughy, if you're looking for a guidescope you don't want it being too much shorter in the FL than the mak. Maybe something that is about a half to a third the Fl so you can use a 2X or 3X barlow to bring it in comparison.
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HTH
CS
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Paul, the fl of the Mak is f10, the express is f6, the eq80 is F7.5. I do have a 2 x 2" big barlow.
do you use a barlow with your scope for autoguiding?