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I'm also following with interest.
FWIW, I have a very carefully centre'd and collimated laser as per your photo, use it with great success (+Barlow) on my 8" f5 Newt. Thereafter, sharpest pics I've ever taken.
I tried using it with one of those Hutech 2" centering adaptors, to centre the secondary mirror return on my RC8, seemed to work a treat but when I looked at a star that night, total disaster.
Spent 30 mins re-collimating the secondary on the star and got it OK, I'd still like to go back and do more, perhaps eventually even the primary, but for the time being, I'll just follow the thread....
Last edited by mldee; 25-11-2011 at 05:48 PM.
Reason: grammar
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