Quote:
Originally Posted by mental4astro
Lastly, ask if the seller knows how to collimate (align) the scope's optics. This too will save you a lot of time & improve the quality of the image.
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This last point has no bearing on the deal - it is only to see how to collimate the scope, as all Newtonian scopes will need the occasional tweek. If the seller can't help, that's fine as there is plenty of help here in IIS & the net. A local Astro club will help too.
David has also come up with some good points,
