I've just rebuilt my cheap-arse 40mm refractor and it seems to be working o.k. (And, judging from the weather, it must now be an excellent scope. We've got clouds, rain, and thunder! 
)
But, before I tighten things down semi-permanently, are there any tests that would be good to do to see if I've got the lense properly aligned with the focuser? Also, it comes to focus with a 25mm very close to the beginning of the tube. Should I shorten the tube a tad (1/2 - 3/4 inch)?
Thanks!
)But, before I tighten things down semi-permanently, are there any tests that would be good to do to see if I've got the lense properly aligned with the focuser? Also, it comes to focus with a 25mm very close to the beginning of the tube. Should I shorten the tube a tad (1/2 - 3/4 inch)?
Thanks!
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I have several telescopes, but none are semi-APO, APO, or in anyway valuable.
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