Quote:
Originally Posted by Merlin66
Yes,
gets expensive!
The F-P elements have to be much better than 1/15 to 1/20 wave flatness and held together, while "tuning", to be parallel within sub micron tolerances. Certainly not your average filter!!!!
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Hmmmm
more intense solarcontinuumwaveflatnesstuningwit hparallesub microntolerancesaveragefilter stuff......+ the f-p element stuff
I'll get there eventually
Bartman