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  1. Optolong OIII CCD 12nm Filter - 2" Mounted

    Optolong - OIII CCD 12nm Filter - 2" Mounted

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

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    Model#: OIIICCD12NM-200
    $179.00

  2. Optolong OIII CCD 12nm Filter - 1.25"

    Optolong - OIII CCD 12nm Filter - 1.25"

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

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    Model#: OIIICCD12NM-125
    $115.00

  3. 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
    $119.00

  4. 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
    $79.00

  5. Optolong Neutral Density ND3 Filter - 1.25" Mounted

    Optolong - Neutral Density ND3 Filter - 1.25" Mounted

    The Optolong ND-3.0 Neutral Density Filter can be utilized with a solar wedge or on an eyepiece to decrease the overall brightness of a celestial object without modifying color balance.

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    Model#: ND3-125
    $49.00

  6. 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
    $70.00

  7. 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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    Model#: LRGB-200
    $359.00

  8. 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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    Model#: LRGB-36U
    $299.00

  9. 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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    Model#: LRGB-31U
    $291.00

  10. 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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    Model#: LRGB-125
    $249.00

  11. Optolong L-Pro Filter - Nikon D5000/D5100 Clip

    Optolong - L-Pro Filter - Nikon D5000/D5100 Clip

    The L-Pro filter from Optolong is a multi-bandpass filter that performs many tasks when imaging with your Nikon D5000 or D5100 DSLR camera.

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    Model#: NIKD5-LPRO
    $265.00

  12. 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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    Model#: EOSAPS-LPRO
    $249.00

  13. Optolong L-Pro Filter - 77mm Mounted

    Optolong - L-Pro Filter - 77mm Mounted

    The Optolong L-Pro filter is a multi-bandpass filter that functions admirably for visual and imaging use alike with CCD cameras and DSLR's.

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    Model#: LPRO-77
    $289.00

  14. 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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    Model#: LPRO-50U
    $219.00

  15. 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
    $168.00

  16. Optolong L-Pro Filter - 2" Mounted

    Optolong - L-Pro Filter - 2" Mounted

    The L-Pro filter from Optolong is a multi-bandpass filter that functions remarkably for visual use and in addition photographic use with CCD and DSLR sensors.

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    Model#: LPRO-200
    $199.00

  17. Optolong L-Pro Filter - 1.25" Mounted

    Optolong - L-Pro Filter - 1.25" Mounted

    The L-Pro filter from Optolong is a multi-bandpass filter that functions remarkably for visual use and in addition photographic use with CCD and DSLR sensors.

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    Model#: LPRO-125
    $149.00

  18. Optolong H-Beta 25nm Filter - 2" Mounted

    Optolong - H-Beta 25nm Filter - 2" Mounted

    This Optolong H-Beta filter has a FWHM of 25nm, making it more suitable for visual observations of the Horsehead, California, and Cocoon nebulae. The filters transmits a 25nm transfer speed of light that is focused at 486nm and accuracy blocks outside wavelengths of light that cause light pollution (both artificial and natural).

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    Model#: HBTA25-200
    $139.00

  19. Optolong H-Beta 25nm Filter 1.25" Mounted

    Optolong - H-Beta 25nm Filter - 1.25" Mounted

    This Optolong H-Beta filter has a FWHM of 25nm, making it more suitable for visual observations of the Horsehead, California, and Cocoon nebulae. The filters transmits a 25nm transfer speed of light that is focused at 486nm and accuracy blocks outside wavelengths of light that cause light pollution (both artificial and natural).

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    Model#: HBTA25-125
    $90.00

  20. Optolong H-Beta 12nm Filter - 1.25" Mounted

    Optolong - H-Beta 12nm Filter - 1.25" Mounted

    The Optolong H-Beta 12nm Filter permits you to visually see the ever-prevalent yet subtle Horsehead Nebula with vast opening telescopes under dim skies, and can likewise be utilized to picture the Horsehead and other nebulae radiate light at 486nm, such as but not limited to, the California and Cocoon nebulae.

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    Model#: HBTA12-125
    $119.00

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