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Loose C9.25 EdgeHD secondary
The secondary mirror holder on my C9.25 EdgeHD scope has come loose and rotates fairly freely.
I tried removing the corrector plate and tightening it, but it loosened up again, which makes Hyperstar usage rather annoying.
Anyone know of a safe way to tighten it and have it stay put?
Also there is a little side by side movement once it loosens, how can I be sure I have centred it?
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