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So is a common laser collimater adequate for visual use?
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It will get you in the ballpark for sure, but the more expensive tools will give you a new perspective on it and as Eric correctly points out, will start to highlight the limitations in your scope.
I've got the Catseye INFINITY XLK Autocollimator and the TELECAT XLS. The TELECAT is a combined sight tube and Cheshire in one unit. They are both very good.
The Howie Glatter is also supposed to be very good.
You could always go 'commando' and use a star. Whatever you do, don't ask for advice on CloudyNights - it seems to be a touchy subject over there.
James