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Baader 1.25" 35nm Ha CCD filter
I bought two of these for trials as replacement ITF filters in Ha solar telescopes. It worked very well.
(I also trialled the Maier ITF and the BelOptik UV/KG3)
This filter (#2458381) optically polished, hard coated, is unused, still sealed in the original packaging.
Asking $100 delivered.
Last edited by Merlin66; 08-11-2016 at 09:39 AM.
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