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SII (Sulfur) Filters

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  1. Astrodon - Narrowband - 1.25" Mounted SII 3 nm Filter

    Astrodon - Narrowband - 1.25" Mounted SII 3 nm Filter

    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),

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    (48 States)
    Model#: SII3-27R
    $490.00

  2. Astrodon - Narrowband - 1.25" Mounted SII 5 nm Filter

    Astrodon - Narrowband - 1.25" Mounted SII 5 nm Filter

    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, 501 nm), sulfur (SII, 672nm) and others.

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    (48 States)
    Model#: SII5-27R
    $330.00

  3. Astrodon - Narrowband - 36mm Unmounted SII 3 nm Filter

    Astrodon - Narrowband - 36mm Unmounted SII 3 nm Filter

    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),

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    (48 States)
    Model#: SII3-36R
    $650.00

  4. Astrodon - Narrowband - 36mm Unmounted SII 5 nm Filter

    Astrodon - Narrowband - 36mm Unmounted SII 5 nm Filter

    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, 501 nm), sulfur (SII, 672nm) and others.

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    (48 States)
    Model#: SII5-36R
    $435.00

  5. Astrodon - Narrowband - 50mm Unmounted OIII 3nm Filter

    Astrodon - Narrowband - 50mm Unmounted OIII 3nm Filter

    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),

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    (48 States)
    Model#: SII3-50R
    $995.00

  6. Astrodon - Narrowband - 50mm Unmounted SII 3 nm Square Filter

    Astrodon - Narrowband - 50mm Unmounted SII 3 nm Square Filter

    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),

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    (48 States)
    Model#: SII3-50S
    $1,250.00

  7. Astrodon - Narrowband - 50mm Unmounted SII 5 nm Filter

    Astrodon - Narrowband - 50mm Unmounted SII 5 nm Filter

    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, 501 nm), sulfur (SII, 672nm) and others.

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    (48 States)
    Model#: SII5-50R
    $725.00

  8. Astrodon Narrowband 50mm Unmounted SII 5 nm Square Filter

    Astrodon - Narrowband - 50mm Unmounted SII 5 nm Square Filter

    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, 501 nm), sulfur (SII, 672nm) and others.

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    (48 States)
    Model#: SII5-50S
    $875.00

  9. Astronomik - SII 12nm CCD Filter - 1.25" Round Mounted

    Astronomik - SII 12nm CCD Filter - 1.25" Round Mounted

    The Astronomik SII-CCD filter is a narrow-band-filter for CCD photography.

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    Model#: SII-1
    $149.95

  10. Astronomik - SII 12nm CCD Filter - 2" Round Mounted

    Astronomik - SII 12nm CCD Filter - 2" Round Mounted

    The Astronomik SII-CCD filter is a narrow-band-filter for CCD photography.

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    (48 States)
    Model#: SII-2
    $329.95

  11. Astronomik - SII 12nm CCD Filter - 31mm Round Unmounted

    Astronomik - SII 12nm CCD Filter - 31mm Round Unmounted

    The Astronomik SII-CCD filter is a narrow-band-filter for CCD photography.

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    Model#: SII-31
    $179.95

  12. Astronomik - SII 12nm CCD Filter - 36mm Round Unmounted

    Astronomik - SII 12nm CCD Filter - 36mm Round Unmounted

    The Astronomik SII-CCD filter is a narrow-band-filter for CCD photography.

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    (48 States)
    Model#: SII-36
    $229.95

  13. Astronomik - SII 12nm CCD Filter - 50mm Round Unmounted

    Astronomik - SII 12nm CCD Filter - 50mm Round Unmounted

    The Astronomik SII-CCD filter is a narrow-band-filter for CCD photography.

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    (48 States)
    Model#: SII-50R
    $329.95

  14. Astronomik - SII 12nm CCD Filter - 50mm Square Unmounted

    Astronomik - SII 12nm CCD Filter - 50mm Square Unmounted

    The Astronomik SII-CCD filter is a narrow-band-filter for CCD photography.

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    (48 States)
    Model#: SII-50SQ
    $429.95

  15. Astronomik - SII 12nm CCD Filter - Canon EOS Clip

    Astronomik - SII 12nm CCD Filter - Canon EOS Clip

    The Astronomik SII-CCD filter is a narrow-band-filter for CCD photography.

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    (48 States)
    Model#: SII-EOS
    $219.95

  16. Astronomik - SII 12nm CCD Filter - T Threads

    Astronomik - SII 12nm CCD Filter - T Threads

    The Astronomik SII-CCD filter is a narrow-band-filter for CCD photography.

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    (48 States)
    Model#: SII-T
    $239.95

  17. FLI - Research Grade 50mm Diameter SII

    FLI - Research Grade 50mm Diameter SII

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50D-SII
    $495.00

  18. FLI - Research Grade 50mm Square Sulfur II - 3

    FLI - Research Grade 50mm Square Sulfur II - 3

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50S-SII3
    $1,250.00

  19. FLI Research Grade 50mm Square Sulfur II - 5nm

    FLI - Research Grade 50mm Square Sulfur II - 5nm

    FLI's high transmission filters are manufactured in the United States with the highest quality fabrication techniques available.

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    (48 States)
    Model#: RG-50S-SII5
    $875.00

  20. Orion - 2" Extra-Narrowband Sulfur-II Filter

    Orion - 2" Extra-Narrowband Sulfur-II Filter

    Effectively blacken the background sky with extra-narrowband filters to produce striking, high-contrast astrophotography of emission nebulae. Orion's 2" Extra-Narrowband Sulfur-II Imaging Filter will do just that. It is ideal for use with monochrome CCD cameras like Orion's Parsec 8300M.

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    Model#: 05546
    $359.95

Items 1 to 20 of 23 total

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