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Hi Darren
I’ve had both edge and non-edge C8 and a standard M10. No identifiable advantage for small targets with corrected optics. But a BIG difference when you go to a larger aperture. Use the extra cash saved on standard non-edge and go big.
A couple of considerations:
Edge scope have vents to help cooling. Try insulating the tube of non-edge
Edge scopes have mirror locks and I reckon less mirror shift on focus. recommend getting a Crayford style focuser
Hope this helps.
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