Quote:
Originally Posted by Shiraz
Hi Fernando. FWIW, I found that collimating with the coma corrector in place was best and that both mirrors needed to be adjusted. The other thing I found that helped was to round off the ends of the 3 secondary adjusting screws. Mine had sharp raised ends that cut into the surface of the hub and made fine rotation difficult - it is easier with the ends of the screws smoothed off.
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If you use a piece of a plastic milk bottle as a washer between the secondary holder back face and the threes screws you'll get a smoother motion as well.