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  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. Astronomik - Planet IR Pro 807 Filter - 1.25" Round Mounted

    Astronomik - Planet IR Pro 807 Filter - 1.25" Round Mounted

    The Astronomik ProPlanet 807 filter is a deal addition to the Astronomik  ProPlanet 742 for imaging the moon and planets, with telescopes larger  then 10" (250mm) when the seeing is poor.

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    Model#: P807-1
    $49.95

  8. Astronomik - Planet IR Pro 742 Filter - 1.25" Round Mounted

    Astronomik - Planet IR Pro 742 Filter - 1.25" Round Mounted

    The Astronomik ProPlanet 742 is the ideal filters for the reception of the moon and planets, notably Mars, with telescopes from 6" (150mm) aperture.

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    Model#: P742-1
    $49.95

  9. Astronomik - OWB Filter - Version II - Canon EOS Clip

    Astronomik - OWB Filter - Version II - Canon EOS Clip

    The Astronomik OWB filter would usually not be designated as an "astronomical" filter.

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    Model#: OWBCCD-EOS
    $169.95

  10. Astronomik - OIII CCD Filter - SCT Cell

    Astronomik - OIII CCD Filter - SCT Cell

    Astronomik OIII CCD 12nm Filter- SCT CellThe Astronomik OIII CCD filter is a narrow band emission-line-filter for CCD photography ... Learn More
    Model#: OIIICCD-SCT
    $199.95

  11. 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
    $329.95

  12. 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
    $239.95

  13. 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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    (48 States)
    Model#: OIIICCD-EOS
    $219.95

  14. 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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    FREE SHIPPING
    (48 States)
    Model#: OIIICCD-50SQ
    $429.95

  15. 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
    $329.95

  16. Astronomik - OIII 12nm CCD Filter - 1.25" Round Mounted

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

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

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    Model#: OIIICCD-1
    $149.95

  17. Astronomik - Multicoated (MC) Clear Filter - 50mm Round Unmounted

    Astronomik - Multicoated (MC) Clear Filter - 50mm Round Unmounted

    This Multicoated (MC) glass serves as dust protector or to keep your system parfocal with other Astronomik filters.

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    Model#: C-50R
    $79.95

  18. Astronomik - MC Clear Multicoated Filter - 2" Round Mounted

    Astronomik - MC Clear Multicoated Filter - 2" Round Mounted

    This Multicoated (MC) glass serves as dust protector or to keep your system parfocal with other Astronomik filters.

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    Model#: C-2
    $79.95

  19. Astronomik - MC Clear Multicoated Filter - 1.25" Round Mounted

    Astronomik - MC Clear Multicoated Filter - 1.25" Round Mounted

    This Multicoated (MC) glass serves as dust protector or to keep your system parfocal with other Astronomik filters.

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    Model#: C-1
    $44.95

  20. Astronomik - Luminance Filter - T Threads

    Astronomik - Luminance Filter - T Threads

    The Astronomik UV and IR cut Filter is great for for digital photography!

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    Model#: L-T
    $99.95

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Astronomik is very proud to manufacture and sell the most superior and innovative optical filter products for astronomy in the world and to be distinguished by Sky & Telescope magazine with their highly coveted S&T Hot Product 2009 award. Astronomik filters are used worldwide by leading professionals and amateurs on instruments of all sizes. Our customers appreciate their uncompromising pursuit and dedication to never-ending improvements which meet and surpass the most stringent standards.

As a testament to Astronomik's high quality standards, each production step is carefully controlled for all of their filters, documented and assigned a serial number. When you own an Astronomik Filter you needn't worry if good glass was used, or that the coating process worked well, or the threads were machined properly. You can be sure that each filter was manufactured with the utmost care, control, and the Golden Seal of "Astronomik Quality Control" was placed on the outer box after the filter was packed!

Astronomik CCD and visual interference filters are produced in Germany using high-quality manufacturing standards and mathematical precision. The coatings on all of these filters, including Oxygen III (OIII), H-Beta, H-Alpha, UHC, SII, IR-Cutoff, CLS, and RGB, are amazingly durable. They are almost impossible to scratch, and are completely sealed and insensitive to moisture. Because of these outstanding characteristics, Astronomik confidently offers a 10-year warranty on all of their filters.