Quote:
Originally Posted by ghsmith45
Because a cheshire is more accurate and a barlowed laser (google this) is even better. A straight laser relies on the laser spot hitting the centre spot of the mirror exactly.
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I will try the barlowed laser method and see how it goes. I haven't adjusted the distance between the primary and secondary simply because the secondary center screw is very tight on my 6" GSO and didn't want to budge.
There's a variety of opinions on collimation methods so when I have time I'll work through them and see what works for me.