Steve o Posted April 19 Share Posted April 19 Hi, does anyone have a contact for repairs to a PST. I believe it was knocked over on the tripod and now only sun spots are visible, there are no prominences visible tuned. Thanks Steve . Link to comment Share on other sites More sharing options...
Elp Posted April 19 Share Posted April 19 Does the detail not change at all when turning the etalon knob? Does anything rattle inside where the tube meets the prism box? Link to comment Share on other sites More sharing options...
Peter Drew Posted April 19 Share Posted April 19 I'm afraid this is indicative of a de-contacted etalon, the etalon plates are held together by molecular fusion and cannot easily be re-contacted other than by the manufacturer. ☹️ 1 Link to comment Share on other sites More sharing options...
Ceramus Posted April 20 Share Posted April 20 I had exactly the same problem with my PST. Beloptick was able to re-contact the etalon and also replaced the ITF blocker filter: oliver.smie@beloptik.de Good luck! Link to comment Share on other sites More sharing options...
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