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Glen,
Yeah, I've had enough, and built enough, "laser pointer" collimators to double check the alignment before relying on their accuracy. The collimator I used is pretty good with no apparent movement over three metres when rotated in the V blocks.
I had obviously seen the collimator laser used on reflectors, but I had never seen any reports of it being used to collimate a refractor.
I'd like to think if this is a robust collimating method, that it will help many amateurs.
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