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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 - UHC-E - Economy UHC Filter - 2" Round Mounted

    Astronomik - UHC-E - Economy UHC Filter - 2" Round Mounted

    This 2" UHC filter is made with less expensive glass than Astronomik's high-end UHC filter, but is of higher quality than other economy UHC filters on the market.

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    Model#: UHCE-2
    $129.95

  3. Astronomik - UHC-E - Economy UHC Filter - 1.25" Round Mounted

    Astronomik - UHC-E - Economy UHC Filter - 1.25" Round Mounted

    The Astronomik UHC-E filter is THE budget filter for deep-sky observation of emission nebulae and comets under light polluted skies.

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    Model#: UHCE-1
    $65.95

  4. Astronomik - UHC Visual Filter - 1.25" Round Mounted

    Astronomik - UHC Visual Filter - 1.25" Round Mounted

    The Astronomik UHC filter is for visual deep-sky observation.

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    Model#: UHC-1
    $99.95

  5. Astronomik - UHC Filter - SCT Rear Cell

    Astronomik - UHC Filter - SCT Rear Cell

    The Astronomik UHC filter is for visual deep-sky observation.

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    (48 States)
    Model#: UHC-SCT
    $214.95

  6. Astronomik UHC Filter Canon EOS APS Clip

    Astronomik - UHC Filter - Canon EOS APS Clip

    The Astronomik UHC filter lets almost 100% radiation from O-III and H-beta lines to pass through. The H-alpha second bandpass ensures that radiation enters the pupil while filtering out as much scattered light as possible.

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    Model#: UHC-EOS
    $159.95

  7. Astronomik - UHC Filter - 2" Round Mounted

    Astronomik - UHC Filter - 2" Round Mounted

    The Astronomik UHC filter is for visual deep-sky observation.

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    Model#: UHC-2
    $199.95

  8. 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
    $289.95

  9. 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

  10. 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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    Model#: SII-EOS
    $189.95

  11. 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
    $329.95

  12. 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
    $289.95

  13. 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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    Model#: SII-36
    $189.95

  14. 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
    $169.95

  15. 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
    $289.95

  16. 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
    $129.95

  17. Astronomik - ProPlanet 642 BP IR-Pass Filter - T-Thread

    Astronomik - ProPlanet 642 BP IR-Pass Filter - T-Thread

    it will reduce seeing effects and enhance contrast when used for lunar- and planetary imaging, and third it is a very good and reasonably priced ... Learn More
    Model#: P642-T
    $109.95

  18. Astronomik - ProPlanet 642 BP IR-Pass Filter - SC Rear Cell

    Astronomik - ProPlanet 642 BP IR-Pass Filter - SC Rear Cell

    ProPlanet 642 BP is a great tool either for daylight IR-imaging with your digital camera, or it will reduce seeing effects and enhance contrast when used for lunar- and planetary imaging ... Learn More
    Model#: P642-SCT
    $139.95

  19. Astronomik - ProPlanet 642 BP IR-Pass Filter - 50mm Square

    Astronomik - ProPlanet 642 BP IR-Pass Filter - 50mm Square

    very good and low-priced H-alpha Filter for getting started in Deep-Sky Astrophotography of H-alpha regions. ... Learn More
    Model#: P642-50SQ
    $159.95

  20. Astronomik - ProPlanet 642 BP IR-Pass Filter - 50mm Round

    Astronomik - ProPlanet 642 BP IR-Pass Filter - 50mm Round

    enhance contrast when used for lunar and planetary imaging, and third it will be a very good and low-priced H-alpha Filter for getting started in Deep-Sky ... Learn More
    Model#: P642-50R
    $129.95

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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.