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H-Alpha CCD Filters

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  1. Optolong H-Alpha 7nm CCD Filter - 50mm Unmounted

    Optolong - H-Alpha 7nm CCD Filter - 50mm Unmounted

    The Optolong H-Alpha 7nm is a very narrow emission-line filter that works by permitting a 7nm bandwidth of light, focused on the 656nm wavelength through, and blocking the transmission of contrast-killing light pollution wavelengths.

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    (48 States)
    Model#: HAL7-50U
    $259.00

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. FLI Research Grade 65mm Square Ha 8nm

    FLI - Research Grade 65mm Square Ha 8nm

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    (48 States)
    Model#: RG-65S-HA8
    $915.00

  9. Custom Scientific - H-Alpha 656.3/4.5 nm Filter - 50mm x 50mm Square

    Custom Scientific - H-Alpha 656.3/4.5 nm Filter - 50mm x 50mm Square

    The Custom Scientific H-Alpha 656.3/4.5 nanometer filter is a great accessory for imaging emission nebulae which emit large amounts of the H-Alpha spectral line at a 4.5 nanometer bandpass due to excited hydrogen atoms.

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    Model#: CU-HA45NM-50S
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    Out of stock

  10. Custom Scientific H-Alpha 656.3/4.5 nm Filter 50mm Round Unmounted

    Custom Scientific - H-Alpha 656.3/4.5 nm Filter - 50mm Round Unmounted

    The Custom Scientific H-Alpha 656.3/4.5 nanometer filter is a great accessory for imaging emission nebulae which emit large amounts of the H-Alpha spectral line at a 4.5 nanometer bandpass due to excited hydrogen atoms.

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    Model#: CU-HA45NM-50
    Call for pricing.

    Out of stock

  11. Custom Scientific H-Alpha 656.3/4.5 nm Filter 1.25" Round Mounted

    Custom Scientific - H-Alpha 656.3/4.5 nm Filter - 1.25" Round Mounted

    The Custom Scientific H-Alpha 656.3/4.5 nanometer filter is a great accessory for imaging emission nebulae which emit large amounts of the H-Alpha spectral line at a 4.5 nanometer bandpass due to excited hydrogen atoms.

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    (48 States)
    Model#: CU-HA45NM-125
    $600.00

  12. 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

  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/8-50mm 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

  15. 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

  16. Orion 1.25" H-Alpha Extra-Narrowband Filter

    Orion - 1.25" H-Alpha Extra-Narrowband Filter

    Get Great Nebula Images Under City Lights or a Full Moon with the Orion Hydrogen-Alpha Extra Narrowband Astrophotography Filter!

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    Model#: 05587
    Orion Winter Accessory Extravaganza (ends Feb 16, 2016)!

    Regular Price: $189.99

    Special Price: $161.49

  17. Optolong - H-Alpha 12nm CCD Filter - 1.25" Mounted

    Optolong - H-Alpha 12nm CCD Filter - 1.25" Mounted

    The Optolong H-Alpha 12nm Narrowband Filter works by permitting a 12nm bandwidth of light, fixated on the 656nm wavelength through, and blocking the transmission of contrast-killing light pollution wavelengths.

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    Model#: HAL12-125
    $109.00

  18. Optolong H-Alpha 12nm CCD Filter - 2" Mounted

    Optolong - H-Alpha 12nm CCD Filter - 2" Mounted

    The Optolong H-Alpha 12nm Narrowband Filter works by permitting a 12nm bandwidth of light, fixated on the 656nm wavelength through, and blocking the transmission of contrast-killing light pollution wavelengths.

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    Model#: HAL12-200
    $199.00

  19. Optolong - H-Alpha 12nm CCD Filter - 50mm Square Unmounted

    Optolong - H-Alpha 12nm CCD Filter - 50mm Square Unmounted

    The Optolong H-Alpha 12nm Narrowband Filter works by permitting a 12nm light bandwidth, focused on the 656nm wavelength through, and hindering the transmission of contrast-killing light pollution wavelengths.

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    FREE SHIPPING
    (48 States)
    Model#: HAL12-50SQ
    $259.00

  20. Optolong H-Alpha 7nm CCD Filter - 2" Mounted

    Optolong - H-Alpha 7nm CCD Filter - 2" Mounted

    The Optolong H-Alpha 7nm is an very narrow emission-line filter that works by permitting a 7nm bandwidth of light, fixated on the 656nm wavelength through, and blocking the transmission of contrast killing wavelengths of light pollution.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: HAL7-200
    $259.00

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