Quote:
Originally Posted by garymck
You can't collimate a newt just with a laser.....It needs to be properly set up with sight tube, a cheshire or barlowed laser, and ideally with an autocollimator..........
FWIW
Gary
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I completely agree, Gary!
A laser will not do it all. It is only a tool for part of the collimation process, and not a mandatory or necessary one too. Very handy though.
The final tick of approval for collimation shouldn't be left to the laser either. A star test is the final check. Professional observatories will use lasers to tweak collimation, but the final check and tweaking is done by star testing.