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Baader Continuum and Calcium-K line filter
Hi all. I'm chasing a 1.25" Baader Continuum filter and/or the Baader Calcium K-Line filter for solar work, the double stacked Continuum would be great. If you have one of these that you're no longer using please PM me, cheers.
Dave.
Last edited by Aussie_Dave; 22-10-2018 at 12:26 AM.
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