Quote:
Originally Posted by Barrykgerdes
While I can see that the path of a laser beam can get the preliminary collimation very close, its precision is not equal to the wavelength of light that is the basis for the star testing that has always been the accepted way to do it.
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Nothing wil replace a star test but this will greatly help to quantify mechanical alignment. Been playing long enough with pinholes in cardboards and lasers to see the value in this system. My idea of collimating is getting everything aligned mechanicaly as a starting point then you start tilting and tweaking things and in my experience it works fine because you need a starting point.