Quote:
Originally Posted by erick
Closer is better, but no need to drive yourself crazy about it for most commercial tube units. There will be a way to adjust the tilt on that primary mirror. Have another look? But you need to know which are the right adjustment screws. Post a photo for us to check and tell us the make of scope. You will be able to get that beam returning from the primary mirror to the centre of the collimator "bullseye".
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Thanks I'll take a few photos tomorrow. does it matter if I adjust the primary or secondary mirror as long as it's lined up?