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You will need a coma corrector for both f5 and f6 newts
Remember you are looking at a $300 or $400 telescope ( budget low end ) not a $2000 or $3000 newt
I’ve tried the Bintel GSO coma corrector for AP and it doesn’t cut it , only for visual
The tried and tested coma corrector around the world for years is the Badder MCCP mk3
Fits straight into my Canon 600D then into the focuser not other adapters needed
Mines works perfectly to the edge of field in both scopes
There not cheap but a small investment for ongoing long term results, you get nice round clean stars
Once again I did my homework !!
A coma corrector won’t fix your back focus
Have the spacers fitted to the primary and your off and running
Cheers
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