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  1. Astronomik - XL EOS Clip H-alpha 6nm

    Astronomik - XL EOS Clip H-alpha 6nm

    The Astronomik 6nm H-alpha filter is an extremely narrow emission-line filter for CCD photography.

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    (48 States)
    Model#: HA6-EOSXL
    $469.95

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

    Astronomik - 6nm OIII MFR Narrowband Filter - Canon EOS XL 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-XL
    $469.95

  3. 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.

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

  4. Astronomik 6 nm OIII MFR Narrowband Filter - 2" Mounted

    Astronomik - 6nm OIII MFR Narrowband Filter - 2" 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#: OIIICCD6-2
    $449.95

  5. Astronomik - LRGB Filter Set T-Thread Cell

    Astronomik - LRGB Filter Set T-Thread Cell

    filters provide a natural color reproduction of planets, stars, emission and reflection nebulas. The transmission properties of the L-RGB filters are optimized for CCD astrophotography. ... Learn More
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    (48 States)
    Model#: LRGB-T
    $419.95

  6. Astronomik 6 nm OIII MFR Narrowband Filter - 36 mm T Mounted

    Astronomik - 6nm OIII MFR Narrowband Filter - 36mm T 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-T
    $409.95

  7. Astronomik - LRGB Filter Set - 36mm Round Unmounted - Type 2c

    Astronomik - LRGB Filter Set - 36mm Round Unmounted - Type 2c

    These filters provide a natural color reproduction of planets, stars, emission- and reflection nebulas.

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    (48 States)
    Model#: LRGB-36
    $349.95

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

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

    The Astronomik SII-CCD filter is a narrow-band filter for CCD photography. The filter nearly blocks the whole visual spectrum and IR while letting the ionized sulfur lines to pass.

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    (48 States)
    Model#: SII-EOSXL
    $309.95

  9. 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

  10. 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

  11. Astronomik - LRGB Filter Set - 31mm Round Unmounted

    Astronomik - LRGB Filter Set - 31mm Round Unmounted

    These filters provide a natural color reproduction of planets, stars, emission- and reflection nebulas.

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    (48 States)
    Model#: LRGB-31
    $289.95

  12. Astronomik - H-Alpha 6nm CCD Filter - 36mm Round Unmounted

    Astronomik - H-Alpha 6nm CCD Filter - 36mm Round Unmounted

    The Astronomik 6nm H-alpha filter is an extremely narrow emission-line filter for CCD photography.

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    (48 States)
    Model#: HA6-36
    $289.95

  13. Astronomik 6 nm SII MFR Narrowband Filter - 31 mm Round Mounted

    Astronomik - 6nm SII MFR Narrowband Filter - 31mm Round Mounted

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    (48 States)
    Model#: SII6-31
    $249.95

  14. Astronomik - H-Alpha 6nm CCD Filter - 31mm Round Unmounted

    Astronomik - H-Alpha 6nm CCD Filter - 31mm Round Unmounted

    The Astronomik 6nm H-alpha filter is an extremely narrow emission-line filter for CCD photography.

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    (48 States)
    Model#: HA6-31
    $249.95

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

  16. Astronomik CLS-CCD for Cameras with IR Filter Removed - Canon EOS Full Frame Clip

    Astronomik - CLS-CCD for Cameras with IR Filter Removed - Canon EOS Full Frame Clip

    For observers located in a light polluted area who want to image with DSLR sensors, the Astronomik filter serves as the perfect accessory by enhancing contrast between deep-sky objects and background.

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    Model#: CLSCCD-EOSXL
    $199.95

  17. Astronomik - 6nm OIII MFR Narrowband Filter - 1.25" Mounted

    Astronomik - 6nm OIII MFR Narrowband Filter - 1.25" 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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    Model#: OIIICCD6-1
    $199.95

  18. Astronomik CLS CCD Light Pollution Filter - SC Rear Cell
  19. Astronomik OIII EOS-XL Filter

    Astronomik - OIII EOS-XL Filter

    The Astronomik OIII filter is a narrow pass band filter that brings the OIII lines into substantial contrast, further emphasizing detail in nebulae.

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    Model#: OIII-EOSXL
    $199.95

  20. Astronomik - OIII Filter - SCT Rear Cell

    Astronomik - OIII Filter - SCT Rear Cell

    the Astronomik OIII filter has been very specifically designed for the visual observation of gaseous and planetary nebulae. ... Learn More
    Model#: OIII-SCT
    $199.95

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