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H-Alpha CCD Filters

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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
    $529.95

  2. Chroma filters

    Chroma Technology - Ha/8-36mm Diameter Filter - Unmounted

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

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    (48 States)
    Model#: Ha/8-36
    $355.00

  3. Chroma filters

    Chroma Technology - Ha/8-31mm Diameter Filter - Unmounted

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

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    (48 States)
    Model#: Ha/8-31M
    $275.00

  4. Chroma filters

    Chroma Technology - Ha/8-27mm Diameter Filter - Mounted

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

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    (48 States)
    Model#: Ha/8-27M
    $265.00

  5. 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
    $349.95

  6. 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
    $289.95

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

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

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

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    (48 States)
    Model#: HA12-36
    $229.95

  8. 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
    $179.95

  9. Astrodon - Narrowband - 36mm Unmounted H-Alpha 3 nm Filter

    Astrodon - Narrowband - 36mm Unmounted H-Alpha 3 nm Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

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    (48 States)
    Model#: HA3-36R
    $650.00

  10. Opticstar - 1.25" Infra-Red Cut-Off Imaging Filter

    Opticstar - 1.25" Infra-Red Cut-Off Imaging Filter

    For the use in CCD imaging this high-transmission filter will exclude any IR wavelengths beyond H-alpha showing a very steep desirable curve.

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    Model#: OSRIFIR

    Regular Price: $45.00

    Special Price: $42.75

  11. Opticstar - 2" Nebula Deep Sky Filter

    Opticstar - 2" Nebula Deep Sky Filter

    This Opticstar 2" eyepiece is suitable for both visual observation and imaging these are all-in-one high-transmission deep sky filters.

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    Model#: OSRIFNEB2

    Regular Price: $105.00

    Special Price: $99.75

  12. Chroma filters

    Chroma Technology - Ha/8-50mm Diameter Filter - Unmounted

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

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    (48 States)
    Model#: Ha/8-50
    $455.00

  13. Chroma filters

    Chroma Technology - Ha/8-50mm x 50mm Diameter Filter - Square

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

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    (48 States)
    Model#: Ha/8-50S
    $465.00

  14. Chroma filters

    Chroma Technology - Ha/8-65mm x 65mm Diameter Filter - Square

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

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    (48 States)
    Model#: Ha/8-65S
    $915.00

  15. Baader Planetarium Enforced 3.5nm H-Alpha Filter, 50x50 Square

    Baader Planetarium - Enforced 3.5nm H-Alpha Filter, 50x50 Square

    Baader's New 3.5nm Narrowband Enforced H-alpha Filters  These three sizes of 3.5nm Enforced-Narrowband filters upen up the extremely narrow 3.5nm H-alpha world.

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    (48 States)
    Model#: FHALNE-SQ50
    $640.00

  16. Baader Planetarium Narrowband Enforced 3.5nm H-Alpha Filter, 2" (with LPFC)

    Baader Planetarium - Narrowband Enforced 3.5nm H-Alpha Filter, 2" (with LPFC)

    Open up the extremely narrow 3.5nm H-alpha world.  This enforced contrast results in even fainter stars, and providing more signal of the faintest nebulae detail.

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    (48 States)
    Model#: FHALNE-2
    $537.00

  17. Baader Planetarium - f/2 Highspeed-Filter H-Alpha 1.25" (with LPFC)

    Baader Planetarium - f/2 Highspeed-Filter H-Alpha 1.25" (with LPFC)

    Baader's New f/2 Highspeed Narrowband Filters and Filtersets (1¼" and 2", H-alpha / O-III / S-II) are designed especially for the delicate requirements of extremely fast astrograph optics, such as Hyperstar, RASA, and ultra-fast instruments from TEC/AP/ASA/etc.

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    (48 States)
    Model#: FHALHS-1
    $257.00

  18. Baader Planetarium - H-Alpha 35nm CCD Filter 50x50 x 3mm Square

    Baader Planetarium - H-Alpha 35nm CCD Filter 50x50 x 3mm Square

    Baader's new H-Alpha passfilter enables high-contrast deep sky images of H-II regions (such as the N. American Nebula).

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    (48 States)
    Model#: FHAL-SQ50
    $264.00

  19. Baader Planetarium - H-Alpha 35nm CCD Filter, 50.4 x 3mm Round

    Baader Planetarium - H-Alpha 35nm CCD Filter, 50.4 x 3mm Round

    Baader's new H-Alpha passfilter enables high-contrast deep sky images of H-II regions (such as the N. American Nebula).

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    (48 States)
    Model#: FHAL-RD50
    $214.00

  20. FLI Research Grade 50mm Square Ha 3nm

    FLI - Research Grade 50mm Square Ha - 3nm

    FLI's high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes.

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    (48 States)
    Model#: RG-50S-HA3
    $1,250.00

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