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  1. Astronomik - CLS Light Pollution Filter - SCT Rear Cell

    Astronomik - CLS Light Pollution Filter - SCT Rear Cell

    This CLS filter is suitable for use with Schmidt-Cassegrain telescopes of all aperture sizes. ... Learn More
    Model#: CLS-SCT
    $169.95

  2. 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

  3. Astronomik - Luminance Filter - 50mm Round Unmounted

    Astronomik - Luminance Filter - 50mm Round Unmounted

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

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    Model#: L-50R
    $104.95

  4. Astronomik - OWB Filter EOS XL Clip-Filter Type 3

    Astronomik - OWB Filter EOS XL Clip-Filter Type 3

    ... Learn More
    Model#: OWBCCD-EOSXL
    $189.95

  5. 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

  6. Astronomik - CLS Light Pollution Filter - 36mm Round Unmounted

    Astronomik - CLS Light Pollution Filter - 36mm Round Unmounted

    The Astronomik CLS is a budget filter for visual observation, Black & White photography and CCD photographs of nebulae, galaxies and star clusters with astronomical instruments of any size.

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    Model#: CLS-36R
    $129.95

  7. Astronomik - 12nm H-Beta CCD Filter - 31mm Round Unmounted

    Astronomik - 12nm H-Beta CCD Filter - 31mm Round Unmounted

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

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    Model#: HBCCD-31
    $169.95

  8. Astronomik H-Alpha 12nm CCD Filter - Canon EOS Clip

    Astronomik - H-Alpha 12nm CCD Filter - Canon EOS Clip

    The Astronomik H-alpha filter is a narrow band filter for CCD photography.

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    Model#: HA12-EOS
    $189.95

  9. 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
    $199.95

  10. Astronomik - 12nm H-Beta CCD Filter - Canon EOS Clip

    Astronomik - 12nm H-Beta CCD Filter - Canon EOS Clip

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

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    Model#: HBCCD-EOS
    $189.95

  11. Astronomik Planet IR Pro 742 Filter - Canon EOS Full Frame Clip

    Astronomik - Planet IR Pro 742 Filter - Canon EOS Full Frame Clip

    The Astronomik ProPlanet 742 works well with 6" aperture telescope to observe terrestrial objects like the planets and moon.

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    Model#: P742-EOSXL
    $104.95

  12. 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
    $134.95

  13. 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
    $179.95

  14. 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

  15. 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
    $139.95

  16. Astronomik - H-Alpha 12nm CCD Filter - 31mm Round Unmounted

    Astronomik - H-Alpha 12nm CCD Filter - 31mm Round Unmounted

    The Astronomik H-alpha filter is a narrow band filter for CCD photography. The filter lets the H-alpha light of emission nebulae pass and blocks nearly the whole remainder of the spectrum where the CCD is sensitive.

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    Model#: HA12-31
    $169.95

  17. Astronomik - CLS Light Pollution Filter - Canon EOS Clip

    Astronomik - CLS Light Pollution Filter - Canon EOS Clip

    Astronomik CLS blocks the light of the spectral lines of mercury and sodium-vapor lamps and lets the largest part of the visible light and H-alpha emissions pass.

    ...
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    Model#: CLS-EOS
    $139.95

  18. 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
    $199.95

  19. Astronomik - H-Beta Filter - 2" Round Mounted

    Astronomik - H-Beta Filter - 2" Round Mounted

    The Astronomik H-beta is a filter for visual observation, in particular with instruments of larger aperture.

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    Model#: HB-2
    $199.95

  20. 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
    $169.95

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