Yamez Posted May 16, 2016 Share Posted May 16, 2016 Hi everyone, i was looking for narrow-band filters and i came across the Baader UHC and the Baader OIII. I was reading up about these filters and it says they're "stackable". I wasn't to sure what this meant so i came here to ask. Does this mean that you can physically put a filter on top of another filter and if so would it be advisable with these two filters (Baader UHC and the Baader OIII)?. My telescope is a Skywatcher 130p Synscan GoTo if anyone needs to know. Thanks Link to comment Share on other sites More sharing options...
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