NII (Nitrogen) Filters

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  1. Astrodon - Narrowband - 50mm Unmounted NII 3 nm Square Filter

    $1,250.00
    SKU: ADO-NII3-50S

    Wait Time is 3-5 Days

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    FREE SHIPPING(48 States)
  2. Astrodon - Narrowband - 50mm Unmounted NII 3 nm Filter

    $995.00
    SKU: ADO-NII3-50R

    Wait Time is 3-5 Days

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    FREE SHIPPING(48 States)
  3. Astrodon - Narrowband - 1.25" Mounted NII 3 nm Filter

    $490.00
    SKU: ADO-NII3-27R

    Wait Time is 3-5 Days

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    FREE SHIPPING(48 States)
3 Item(s)
Set Ascending Direction