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I have a fairly fast f/5 Dob. Considering getting one of these Fujiyama eyepieces to see what this famed sharpness is like.
Does using a Powermate style focal extender compromise their sharpness? To me a 25mm Ortho + a 5x focal extender for planetary viewing might be the way to go.
I'd be comparing it to a 25mm Televue Plossl, do you think the difference would be noticeable? Or are the TV plossl's just too well corrected?
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