Quote:
Originally Posted by rogerg
I tried my friend's orange tube C8 last night with disappointingly very soft results. The FOV was perfect though.
He's left me with his 5x powermate and 3x televue barlow to try on my Megrez 90.
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I guess reflectors will always be softer than a good refractor due to the central obstruction. Then there's always the possibility that collimaton isn't perfect. And larger apertures are more susceptible to seeing conditions due to their greater resolution.