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Which big low/mid power achromat?
The recent sale of an NA140SS on IIS has got me thinking about a largish refractor for scanning along the milky way. I'm considering the 150mm f/8 Skywatcher or the Vixen NA140SS. Can anyone offer experiences in comparing these two scopes?
In addition, how would the Skywatcher 120ED compare to the above scopes for low/mid power views - I'm assuming the larger aperture of the achromats would be better than the higher quality ED optics for low/mid power views?
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