Thanks Ross.
I actually came across a poster on Stargazers Lounge talking about reflections with their RC8. I thought it related to the earlier problems that Paul Haese helped rectify but apparently this is another issue. This is a post from the other person:
Quote:
Hi all !
FYI, I've finally solved the reflection problem for good on my GSO 8" RC. And as a matter of fact, it had to go all the way up back to GSO. After several testings I did with a friend of mine, painting the inside of the focuser, flokking the adapters and so on to no avail, they aknowledged that there was a design flaw with the primary mirror baffle tube, and they redesigned it on our request.
The existing RCs can benefit from this new design, because the baffle tube actually has a thread at its end. So you just need to screw the extension they made to the existing baffle tube and here you go, no need to take the thing apart, just find some small hands that can reach the baffle tube through the spider.
I did some testings using a CCDT67 reducer, a configuration that was completely unusable beforehand (I used to have these big hallows all over the place, shooting with a DSLR) and well, I must say it solved my problem.
From there on, I have no clue how one can get the extension. I dealt this problem with a reseller here in France, and since we were the ones to hit the nail on that one, we got our extensions fo free. Maybe just see with whoever sold you the RC. GSO knows about all this, so I guess any reseller should be able to get hold of this item.
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