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OIII (Oxygen) CCD Filters

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

    Astrodon - Narrowband - 50mm Unmounted OIII 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#: OIII3-50S
    $1,250.00

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

    Astrodon - Narrowband - 50mm Unmounted OIII 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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    Model#: OIII3-50R
    $995.00

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

    Astrodon - Narrowband - 50mm Unmounted OIII 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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    Model#: OIII5-50S
    $875.00

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

    Astrodon - Narrowband - 50mm Unmounted OIII 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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    Model#: OIII5-50R
    $725.00

  5. FLI - Research Grade 50mm Diameter OIII

    FLI - Research Grade 50mm Diameter OIII

    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.

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

  6. Astrodon - Narrowband - 1.25" Mounted OIII 3 nm Filter

    Astrodon - Narrowband - 1.25" Mounted OIII 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#: OIII3-27R
    $490.00

  7. QSI - Astrodon 1.25" OIII filter 3 nm FWHM

    QSI - Astrodon 1.25" OIII filter 3 nm FWHM

    Astrodon Oxygen III filter with a FWHM of 3nm. For use with internal color filter wheel in QSI 500 Series cameras. This Ha filter is parfocal with Astrodon LRGB color filters ... Learn More
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    (48 States)
    Model#: FL1-AD-OIII3
    $480.00

  8. Astrodon - Narrowband - 36mm Unmounted OIII 5 nm Filter

    Astrodon - Narrowband - 36mm Unmounted OIII 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#: OIII5-36R
    $435.00

  9. 2" Extra-Narrowband oxygen III Filter by Orion

    Orion - 2" Extra-Narrowband Oxygen III Filter

    If you're using a monochrome CCD camera like Orion's Parsec 8300M, these specialized "line" filters are the perfect complement.

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    Model#: 05545
    $369.99

  10. Astrodon - Narrowband - 1.25" Mounted OIII 5 nm Filter

    Astrodon - Narrowband - 1.25" Mounted OIII 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#: OIII5-27R
    $330.00

  11. Astronomik - OIII 12nm CCD Filter - 50mm Square Unmounted

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

    The Astronomik OIII CCD filter is a narrow band emission-line-filter for CCD photography.

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    (48 States)
    Model#: OIIICCD-50SQ
    $329.95

  12. Astronomik OIII 12nm CCD Filter - Canon Full Frame EOS Clip

    Astronomik - OIII 12nm CCD Filter - Canon Full Frame EOS Clip

    The Astronomik OIII CCD filter lets the light of double ionized Oxygen emission lines to pass while blocking almost all the remainder of the CCD sensitive light spectrum.

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    (48 States)
    Model#: OIIICCD-XL
    $309.95

  13. TeleVue - OIII Bandmate Filter 2"*

    TeleVue - OIII Bandmate Filter 2"*

    This OIII filter particularly enhances planetary nebulae in larger telescopes Narrowband filter for high transmission, with high blocking of unwanted longer wavelengths to yield high-contrast images ... Learn More
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    (48 States)
    Model#: BFO-0200
    5% off

    Regular Price: $315.00

    Special Price: $299.25

  14. Astronomik - OIII 12nm CCD Filter - 2" Round Mounted

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

    The Astronomik OIII CCD filter is a narrow band emission-line-filter for CCD photography.

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    (48 States)
    Model#: OIIICCD-2
    $289.95

  15. Astronomik - OIII CCD Filter - 50mm Round Unmounted

    Astronomik - OIII CCD Filter - 50mm Round Unmounted

    The Astronomik OIII CCD filter is a narrow band emission-line-filter for CCD photography.

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    (48 States)
    Model#: OIIICCD-50R
    $289.95

  16. QSI - Astrodon 1.25" OIII filter 5 nm FWHM

    QSI - Astrodon 1.25" OIII filter 5 nm FWHM

    Astrodon Oxygen III filter with a FWHM of 5nm. For use with internal color filter wheel in QSI 500 Series cameras. This Ha filter is parfocal with Astrodon LRGB color filters

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    (48 States)
    Model#: FL1-AD-OIII5
    $275.00

  17. Astronomik - OIII 12nm CCD Filter - T-Threads

    Astronomik - OIII 12nm CCD Filter - T-Threads

    The Astronomik OIII CCD filter is a narrow band emission-line-filter for CCD photography.

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    (48 States)
    Model#: OIIICCD-T
    $259.95

  18. Baader Planetarium - f/2 Highspeed-Filter O-III 1.25" (with LPFC)

    Baader Planetarium - f/2 Highspeed-Filter O-III 1.25" (with LPFC)

    Baader’s new ‘High Speed’ Narrowband CCD Filters come in both 1.25” and 2” diameter mounted sizes, in H-alpha, O-III, and S-II, but with an extra twist when compared to their normal filters.

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    (48 States)
    Model#: FOIIIHS-1
    $213.00

  19. Astronomik - OIII 12nm CCD Filter - Canon EOS Clip

    Astronomik - OIII 12nm CCD Filter - Canon EOS Clip

    The Astronomik OIII CCD filter is a narrow band emission-line-filter for CCD photography.

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    Model#: OIIICCD-EOS
    $189.95

  20. Astronomik - OIII 12nm CCD Filter - 36mm Round Unmounted

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

    The Astronomik OIII CCD filter is a narrow band emission-line-filter for CCD photography.

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    Model#: OIIICCD-36R
    $189.95

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