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Many here are saying how Cheshire is better than laser.
How can you be sure that Cheshire is collimated properly?
I mean if hole and cross are aligned.
With laser, at least you can put it in, turn it around and see if the dott moves in circles or not. And then adjust it if needs adjusting. There is a lot written about Barlowed laser collimation too.
I don't have laser tool yet, but I am ordering one from Andrews Comms. soon.
At present I am using film canister, and it works fine on my 12" Bintel. Star test showing concentric circles. But it would be much easier to do it with either cheshire or laser tool.
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