I have a C8 I bought used here (or Astromart, I forget) I've had about 20 years, and I'm wondering how much it would cost to have it overhauled.
The corrector is quite hazy, lots of dust but also a glar that doesn't come off with air. Images are somewhat mushy - could be seeing perhaps, but stars are never pinpoints. I've done only a limited check on collimation - I'm sure it would benefit from more accuracy.
This C8 does not have "Starbright" coatings, or whatever, as near as I can tell. I'm not sure it has any coatings at all after all this time. Certainly don't see any color on the glass, but that might be meaningless.
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