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Old 18-03-2024, 05:36 PM
Startrek (Martin)
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Startrek is offline
 
Join Date: Dec 2017
Location: Sydney and South Coast NSW
Posts: 6,685
Some more options -

1/ TS Optics use Berger Anti reflective paint for all their Newts and Astrographs maybe you can find it online

2/ See if Sidereal Trading might share a trade secret or some advice with their custom Astrographs

Cheers
Martin
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