Quote:
Originally Posted by casstony
Correct. There's a wealth of information at the optics testing section of this forum
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Thanks Tony. I'm in the process of aligning my C11 optics and I want to determine the optimum spacing between my primary and secondary/corrector assembly. Building a rig this week-end to spin the OTA on its baffle tube and check corrector cell run out. This link you've sent is a gold mine.