Quote:
Originally Posted by andreas.jordan
Thanks Marc, although I don't actually own a barlow lens as yet. All I got with the scope was the 10mm, 25mm and a collimating cap.
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That should get you started. Pick up a cheshire for $25 or so. Once your secondary is aligned the rest is pretty straight forward. The star test is the icing on the cake. There are a number of colimation tuts for newtonians and others on these forums and online.