Joe,
Check to see that your spider is tight and the secondary is alligned to the optical axis (ie centered to the primary). If the secondary is even a tiny bit off center, you will see astigmatism.
Hope it's not your mirror... but lots of things to check first. Best of luck with it.
-----------Steve.
Check to see that your spider is tight and the secondary is alligned to the optical axis (ie centered to the primary). If the secondary is even a tiny bit off center, you will see astigmatism.
Hope it's not your mirror... but lots of things to check first. Best of luck with it.
-----------Steve.
