3nm Filters

4 products

    4 products
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    Astrodon 3 nm Narrowband H-alpha Filter (6795795202201)
    5 nm Narrowband Filters - RedCon (6795795202201)
    CXB (formerly Astrodon) 3 nm Narrowband H-alpha Filter
    Astrodon Narrowband Astrophotography Filters - OIII 3nm (6795795267737)
    5 nm Narrowband Filters - RedCon (6795795267737)
    CXB (formerly Astrodon) Narrowband Astrophotography Filters - OIII 3nm
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    Astrodon 3 nm Narrowband Filters - SII filter (6795795333273)
    CXB (formerly Astrodon) 3 nm Narrowband Filters - SII filter
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    NII3 28 (6795795234969)
    CXB (formerly Astrodon) Narrowband Filters - 3nm NII Filter