bosun21 Posted December 18, 2021 Share Posted December 18, 2021 I have just started using the Barlowed laser method for collimation on my 8” Dobsonian. This is the first times that my Cheshire and laser agree every time. Before when using just the laser there was always a discrepancy when checking with the Cheshire. Are most folks using the Barlowed laser method? 2 Link to comment Share on other sites More sharing options...
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