NavList thread: USN MkII Sextant Telescope lens coatings and cleaning?

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19 May 2023, 21:53 | Todd Spath
23 May 2023, 16:16 | Carsten John
24 May 2023, 00:36 | Todd Spath
30 May 2023, 17:37 | Carsten John
01 Jun 2023, 01:03 | Todd Spath
02 Jun 2023, 18:18 | Todd Spath