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  1. Optolong SII CCD 12nm Filter - 36mm Unmounted

    Optolong - SII CCD 12nm Filter - 36mm Unmounted

    The Optolong Sulfur II 12nm Narrowband Filter works by allowing a 12nm bandwidth of light, centered on the 672nm wavelength through, and blocking contrast-killing light pollution wavelengths from coming through.

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    Model#: SIICCD12-36U

    Available

    $159.00

  2. Optolong SII CCD 12nm Filter - 31mm Unmounted

    Optolong - SII CCD 12nm Filter - 31mm Unmounted

    The Optolong Sulfur II 12nm Narrowband Filter works by allowing a 12nm bandwidth of light, centered on the 672nm wavelength through, and blocking contrast-killing light pollution wavelengths from coming through.

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    Model#: SIICCD12-31U

    Available

    $153.00

  3. Optolong SII CCD 12nm Filter - 2" Mounted

    Optolong - SII CCD 12nm Filter - 2" Mounted

    The Optolong Sulfur II 12nm Narrowband Filter works by allowing a 12nm bandwidth of light, centered on the 672nm wavelength through, and blocking contrast-killing light pollution wavelengths from coming through.

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    Model#: SIICCD12-200

    Available

    $209.00

  4. Optolong SII 6.5nm Filter - EOS APS C Clip

    Optolong - SII 6.5nm Filter - EOS APS C Clip

    The Optolong Sulfur II 6.5nm Extra Narrowband Filter transmits a 6.5nm bandwidth of light that is centered at 672nm and tremendously decreases different transmissions, including wavelengths of light that cause light pollution (both artificial and natural).

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    Model#: EOSAPS-SII65

    Available

    $239.00

  5. Optolong OIII CCD 6.5nm Filter - 50mm Unmounted

    Optolong - OIII CCD 6.5nm Filter - 50mm Unmounted

    The Optolong Oxygen III 6.5nm Extra Narrowband Filter transmits a 6.5nm bandwidth of light that is centered at 500nm and radically lessens different transmissions, including wavelengths of light that are in charge of light pollution (both artificial and natural).

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    Model#: OIIICCD65-50U

    Available

    $269.00

  6. Optolong - OIII CCD 6.5nm Filter - 50mm Square Unmounted

    Optolong - OIII CCD 6.5nm Filter - 50mm Square Unmounted

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    Model#: OIIICCD65-50SQ

    Available

    $299.00

  7. Optolong OIII CCD 6.5nm Filter - 31mm Unmounted

    Optolong - OIII CCD 6.5nm Filter - 31mm Unmounted

    The Optolong Oxygen III 6.5nm Extra Narrowband Filter transmits a 6.5nm bandwidth of light that is focused at 500nm and radically decreases other transmissions, including wavelengths of light that are responsible for light pollution (both artificial and natural).

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    Model#: OIIICCD65-31U

    Available

    $189.00

  8. Optolong OIII CCD 12nm Filter - 50mm Square Unmounted

    Optolong - OIII CCD 12nm Filter - 50mm Square Unmounted

    The Optolong Oxygen III 12nm Narrowband Filter transmits a 12nm bandwidth of light that is focused at 500nm and definitely decreases other transmissions, including wavelengths of light that cause light pollution (both artificial and natural).

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    Model#: OIIICCD12NM-50SQ

    Available

    $249.00

  9. Optolong OIII CCD 12nm Filter - 31mm Unmounted

    Optolong - OIII CCD 12nm Filter - 31mm Unmounted

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    Model#: OIIICCD12NM-31U

    Available

    $130.00

  10. Optolong Night Sky H-Alpha Filter - 2" Mounted

    Optolong - Night Sky H-Alpha Filter - 2" Mounted

    The Optolong Night Sky H-Alpha filter, or IR-Pass 650nm channel, can be utilized for imaging of the Moon, planets and deep sky objects that emit H-alpha wavelengths.

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    Model#: NSHA-200

    Available

    $119.00

  11. Optolong Night Sky H-Alpha Filter - 1.25" Mounted

    Optolong - Night Sky H-Alpha Filter - 1.25" Mounted

    The Optolong Night Sky H-Alpha filter, or IR-Pass 650nm channel, can be utilized for imaging of the Moon, planets and deep sky objects that emit H-alpha wavelengths.

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    Model#: NSHA-125

    Available

    $79.00

  12. Optolong Moon SkyGlow Filter - 2" Mounted

    Optolong - Moon SkyGlow Filter - 2" Mounted

    The Optolong Moon and Skyglow Filter is ideal for both visual and photographic usage. You'll see a darker background sky because of the obstruction of natural skyglow at 589nm wavelength and in emission from lights that cause artificial light pollution.

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    Model#: MSG-200

    Available

    $70.00

  13. Optolong LRGB Filter Set - 2" Mounted

    Optolong - LRGB Filter Set - 2" Mounted

    The Optolong LRGB Filter Set includes four 2" mounted imaging filters, including Red, Green, Blue, and Luminance. They're suitable for de-bayered monochrome CCD and CMOS cameras, and function remarkably for both planetary and deep sky imaging.

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    (48 States)
    Model#: LRGB-200

    Available

    $359.00

  14. Optolong LRGB CCD Filter Set - 36mm Unmounted

    Optolong - LRGB CCD Filter Set - 36mm Unmounted

    The Optolong LRGB Filter Set includes four 36mm unmounted filters, including Red, Green, Blue, and Luminance. They're suitable for de-bayered monochrome CCD and CMOS cameras, and function remarkably for both planetary and deep sky imaging.

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    (48 States)
    Model#: LRGB-36U

    Available

    $299.00

  15. Optolong LRGB CCD Filter Set - 31mm Unmounted

    Optolong - LRGB CCD Filter Set - 31mm Unmounted

    The Optolong LRGB Filter Set includes four 31mm unmounted filters, including Red, Green, Blue, and Luminance. They're suitable for de-bayered monochrome CCD and CMOS cameras, and function remarkably for both planetary and deep sky imaging.

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    (48 States)
    Model#: LRGB-31U

    Available

    $291.00

  16. Optolong LRGB CCD Filter Set - 1.25" Mounted

    Optolong - LRGB CCD Filter Set - 1.25" Mounted

    The Optolong LRGB Filter Set includes four 1.25" mounted imaging filters, including Red, Green, Blue, and Luminance. They're suitable for de-bayered monochrome CCD and CMOS cameras, and function remarkably for both planetary and deep sky imaging. Learn More

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    (48 States)
    Model#: LRGB-125

    Available

    $249.00

  17. Optolong L-Pro Filter - EOS Full Frame Clip

    Optolong - L-Pro Filter - EOS Full Frame Clip

    The Optolong L-Pro filter is a multi-bandpass filter that functions remarkably for photographic use with your Canon EOS Full Frame DSLR.

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    (48 States)
    Model#: EOSFF-LPRO

    Available

    $269.00

  18. Optolong L-Pro Filter - EOS APS C Clip

    Optolong - L-Pro Filter - EOS APS C Clip

    The L-Pro filter from Optolong is a multi-bandpass filter that is excellent for photographic use with your Canon EOS APS DSLR.

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    (48 States)
    Model#: EOSAPS-LPRO

    Available

    $249.00

  19. Optolong - L-Pro Filter - 50mm Unmounted

    Optolong - L-Pro Filter - 50mm Unmounted

    The Optolong L-Pro filter delivers better color balance by maximizing transmission band, permitting you to create pictures of broadband objects with emission spectral lines.

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    (48 States)
    Model#: LPRO-50U

    Available

    $219.00

  20. Optolong - L-Pro Filter - 36mm Unmounted

    Optolong - L-Pro Filter - 36mm Unmounted

    The Optolong L-Pro filter delivers better color balance by maximizing transmission band, permitting you to create pictures of broadband objects with emission spectral lines.

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    Model#: LPRO-36U

    Available

    $168.00

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