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Thanks Morton,
That opens another can of worms 😅 as the sv503 is available at 102mm and ES has the AR 102 that also looks enticing.
If I understand correctly, provided I have the right eyepieces, the 90mm sv48p should outperform the sv503 80mm.
What would I need to look for in widefield eyepieces for faster refractors? I assume it’s not so much about coma so is it about field curvature so ultra flat field eyepieces would help?
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