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Old 15-10-2021, 09:09 AM
Saturnine (Jeff)
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Join Date: Jul 2008
Location: Wollongong
Posts: 1,731
Maybe you got lucky with a good sample or, maybe the overall quality of the mirrors is more than good enough, better than the diffraction limit. Would be an interesting exercise to put a sample of mirrors on a test stand and do a knife edge test .
Suppose there is enough proof provided by the quality of your images though.
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