Svar till: Good enough eller? Kollimering Star’Ex

[zmannen]

Magnus,
Tack, hoppas få lite tid att fixa mer i morgon.
Med dina råd känns det bra.
Janne

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I understand the size of a nano meter (1*10e-9 meters) but have a hard time phantom a billion light years (9*10e+24 meter).