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Vixen LVW eyepieces
The ad on myastroshop says (for the 13mm) "Sharp pinpoint stars right across the field of view, even with an f/4.9 telescope".
On the assumption that an f/4.9 scope would be a Newtonian, wouldn't coma prevent pinpoint-sharp stars at the edge no matter how good the eyepiece is?
Morton
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