Etalon tuning suddenly too easy

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Starry Jack
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Joined: Tue Feb 03, 2015 3:44 pm

Etalon tuning suddenly too easy

Post by Starry Jack » Mon Jul 01, 2019 9:44 pm

I'm nervous that my old etalon (early model PST) Is suddenly moving a little too easily. It used to have much more stickiness but now for most of it's range of motion it is fairly fluid. I can still see the changes in tuning, but it is difficult to determine if the relatively poor performance of my PST Stage 2 mod (5mm BF is due to the etalon degrading or the mellow sun.

Jack

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