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Laser collimation - what am I seeing?
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31-08-2018, 10:43 PM
Stonius
(Markus)
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Join Date: Mar 2015
Location: Melbourne
Posts: 1,495
I *think the concentric circles attachments are more for Schmit cassegrains, Maks and RC scopes where the true optical axes may differ from the center of the mirrors.
Stonius
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