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OIII (Oxygen) CCD Filters

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

    Astrodon - 1.25" OIII 3nm Narrowband Filter - Mounted

    Bring out the faint structures In nebulae with the Astrodon OIII Narrowband 31mm 3nm filter. 3nm filters will greatly increase contrast and are a great way to image in light polluted locations. Setting a new bar of performance and durability for imaging and research. ... Learn More
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    (48 States)
    Model#: OIII3-27R
    $490.00

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

    Astrodon - 1.25" OIII 5nm Narrowband Filter - Mounted

    Bring out the faint structures In nebulae with the Astrodon OIII Narrowband 1.25" 5nm filter. Setting a new bar of performance and durability for imaging and research. ... Learn More
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    (48 States)
    Model#: OIII5-27R
    $330.00

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

    Astrodon - 36mm OIII 5nm Narrowband Filter - Unmounted

    Bring out the faint structures In nebulae with the Astrodon OIII Narrowband 31mm 5nm filter. Setting a new bar of performance and durability for imaging and research. ... Learn More
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    (48 States)
    Model#: OIII5-36R
    $435.00

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

    Astrodon - 50mm OIII 3nm Narrowband Filter - Unmounted

    Bring out the faint structures In nebulae with the Astrodon OIII Narrowband 31mm 3nm filter. 3nm filters will greatly increase contrast and are a great way to image in light polluted locations. Setting a new bar of performance and durability for imaging and research. ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: OIII3-50R
    $995.00

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

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

    Bring out the faint structures In nebulae with the Astrodon OIII Narrowband 31mm 3nm filter. 3nm filters will greatly increase contrast and are a great way to image in light polluted locations. Setting a new bar of performance and durability for imaging and research. ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: OIII3-50S
    $1,250.00

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

    Astrodon - 50mm OIII 5nm Narrowband Filter - Unmounted

    Bring out the faint structures In nebulae with the Astrodon OIII Narrowband 31mm 5nm filter. Setting a new bar of performance and durability for imaging and research. ... Learn More
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    (48 States)
    Model#: OIII5-50R
    $725.00

  7. Astrodon - 50mm OIII 5nm Narrowband Square Filter - Unmounted

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

    Bring out the faint structures In nebulae with the Astrodon OIII Narrowband 31mm 5nm filter. Setting a new bar of performance and durability for imaging and research. ... Learn More
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    (48 States)
    Model#: OIII5-50S
    $875.00

  8. Astronomik 6 nm OIII MFR Narrowband Filter - Canon EOS Clip

    Astronomik - 6 nm OIII MFR Narrowband Filter - Canon EOS Clip

    The OIII line (501 nm) is located in the blue-green portion of the spectrum, making them very suitable for observing most planetary nebulae and supernovae remnants and other objects with doubly ionized oxygen.

    ...
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    (48 States)
    Model#: OIIICCD6-EOS
    $289.95

  9. Astronomik 6 nm OIII MFR Narrowband Filter - 31 mm Mounted

    Astronomik - 6nm OIII MFR Narrowband Filter - 31mm Mounted

    The OIII line (501 nm) is located in the blue-green portion of the spectrum, making them very suitable for observing most planetary nebulae and supernovae remnants and other objects with doubly ionized oxygen.

    ...
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    (48 States)
    Model#: OIIICCD6-31
    $249.95

  10. Astronomik 6 nm OIII MFR Narrowband Filter - 50mm Round Unmounted

    Astronomik - 6nm OIII MFR Narrowband Filter - 50mm Round Unmounted

    The OIII line (501 nm) is located in the blue-green portion of the spectrum, making them very suitable for observing most planetary nebulae and supernovae remnants and other objects with doubly ionized oxygen.

    ...
    Learn More
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    (48 States)
    Model#: OIIICCD6-50R
    $449.95

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

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

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

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    Model#: OIIICCD-31
    $169.95

  12. 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

  13. 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

  14. 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

  15. FLI - Research Grade - 28mm Diameter OIII 3nm

    FLI - Research Grade - 28mm Diameter OIII 3nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer 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-28D-OIII-3NM
    $485.00

  16. FLI - Research Grade - 28mm Diameter OIII 5nm

    FLI - Research Grade - 28mm Diameter OIII 5nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer 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-28D-OIII-5NM
    $460.00

    Out of stock

  17. FLI - Research Grade - 28mm Diameter OIII 8nm

    FLI - Research Grade - 28mm Diameter OIII 8nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer 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-28D-OIII-8NM
    $275.00

  18. FLI - Research Grade - 50mm Diameter OIII 3nm

    FLI - Research Grade - 50mm Diameter OIII 3nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer 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-OIII-3NM
    $760.00

  19. FLI - Research Grade - 50mm Diameter OIII 5nm

    FLI - Research Grade - 50mm Diameter OIII 5nm

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

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG-50D-OIII-5NM
    $725.00

  20. FLI - Research Grade - 50mm Diameter OIII 8nm

    FLI - Research Grade - 50mm Diameter OIII 8nm

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

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG-50D-OIII-8NM
    $455.00

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