[Emuhead (Andrew)]

Hi all,

Asking what the best method is for collimating an 8" f/4 reflector. I have a 2" collimation laser, but rotating it in the focuser moves the red dot a fair amount on the primary, so looking for a way without using a laser, and trusting my eyes instead.

What's the best method given the above? Any experience with an autocollimator, or poking a tiny hole in a 2" cap, or is it better to use no tools whatsoever and just use a defocused star?

Thanks,