Quote:
Originally Posted by Peter Ward
Disagree. Dick Suiter's book on star testing 'scope optics ponders this at length. Excellent optics "snap" into focus.
Those with SA or some other fault never really reach focus...they sort of endlessly mush through it.
Thats said, sure, faster optics have tighter zones and are more sensitive to focal plane tilt etc., but it's often the case that a whole lot more needs to be on the money first.
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Interesting, I'd be keen to see the quality of AP scopes. I've only ever heard good things about them.