Works the same as with a collimation cap, wrote the guide up for a discord basically on the same process, your just systematically lining up all the parts, I even wrote up a guide on the procedure, and for those that don't want to follow a link, the keyframes from what I was trying to get animated that convey the process,
I am not a fan of laser collimators other than for the primary, there are a few ways to mess with 1 axis and correct on a different and have the collimator show correct, so I mostly use this method.
https://docs.google.com/document/d/1...it?usp=sharing