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So long as the stars are as well focused as you can get, it is likely that a bit of bloat will have no measurable effect.
The stars in one of my early scopes (Very much not an Apo) looked pretty awful at the guiders image scale with quite a bit of blue bloat, but it guided just fine.
Last edited by The_bluester; 23-09-2021 at 05:33 PM.
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