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ZWO Seestar S30 Desktop
Holiday Schedule: We’ll be taking a short break from December 24th to December 29th to enjoy the holidays. During this time, the store will be closed, no orders will be shipped, and support will be unavailable. Happy Holidays!
Holiday Schedule: We’ll be taking a short break from December 24th to December 29th to enjoy the holidays. During this time, the store will be closed, no orders will be shipped, and support will be unavailable. Happy Holidays!

Filters

Filters

  • $125.00 USD - $334.00 USD
    $125.00 USD - $334.00 USD
    $125.00 USD - $334.00 USD
    $125.00 USD

    Baader UHC-S/L-Booster Filter - CMOS-Optimized

    Options available

    The Baader Planetarium UHC-S Nebula filter excels at delivering a high-contrast and natural view of emission nebula - without excessive dimming and...

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    $125.00 USD - $334.00 USD
    $125.00 USD - $334.00 USD
    $125.00 USD - $334.00 USD
    $125.00 USD
  • $91.00 USD - $149.00 USD
    $91.00 USD - $149.00 USD
    $91.00 USD - $149.00 USD
    $91.00 USD

    Baader UV/IR-CUT / L-Filter CMOS Optimized

    Options available
    4 variants in stock

    Baader Planetarium produces the world's finest UV/IR cut filter. it use has become the defacto standard for imagers around the world. This filter...

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    $91.00 USD - $149.00 USD
    $91.00 USD - $149.00 USD
    $91.00 USD - $149.00 USD
    $91.00 USD
  • $109.00 USD - $189.00 USD
    $109.00 USD - $189.00 USD
    $109.00 USD - $189.00 USD
    $109.00 USD

    Baader Visual OIII Nebula Filter

    Options available

    Delivers the absolute highest contrast views of many diffuse and planetary nebula. For many objects, the Baader O-III reveals a level of intricate ...

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    $109.00 USD - $189.00 USD
    $109.00 USD - $189.00 USD
    $109.00 USD - $189.00 USD
    $109.00 USD
  • $13.00 USD - $13.00 USD
    $13.00 USD
    $13.00 USD - $13.00 USD
    $13.00 USD

    Celestron Moon Filter - 1.25"

    CEL-94119-A
    1 in stock

    Features Reduce glare and increase contrast of the Moon with the Celestron 1.25" Moon Filter Also useful for extra bright planets as well as terres...

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    $13.00 USD - $13.00 USD
    $13.00 USD
    $13.00 USD - $13.00 USD
    $13.00 USD
  • $20.00 USD - $20.00 USD
    $20.00 USD
    $20.00 USD - $20.00 USD
    $20.00 USD

    Celestron Neutral Density Moon Filter - 1.25"

    CEL-94105
    1 in stock

    Features Reduces brightness and cuts glare, increasing clarity of the Moon, Venus, and bright double stars 13% light transmission Provides a true c...

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    $20.00 USD - $20.00 USD
    $20.00 USD
    $20.00 USD - $20.00 USD
    $20.00 USD
  • $95.00 USD - $95.00 USD
    $95.00 USD
    $95.00 USD - $95.00 USD
    $95.00 USD

    Celestron Oxygen III Narrowband Filter - 1.25 in

    CEL-93623

    FeaturesThe 1-1/4" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission...

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    $95.00 USD - $95.00 USD
    $95.00 USD
    $95.00 USD - $95.00 USD
    $95.00 USD
  • $125.00 USD - $125.00 USD
    $125.00 USD
    $125.00 USD - $125.00 USD
    $125.00 USD

    Celestron Oxygen III Narrowband Filter - 2 in

    CEL-93624

    Features The 2" OIII narrowband filter isolates the two doubly-ionized oxygen lines (496 and 501 nm lines) Filter has ultra-hard, vacuum-deposited ...

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    $125.00 USD - $125.00 USD
    $125.00 USD
    $125.00 USD - $125.00 USD
    $125.00 USD
  • $95.00 USD - $95.00 USD
    $95.00 USD
    $95.00 USD - $95.00 USD
    $95.00 USD

    Celestron UHC/LPR Filter - 1.25"

    CEL-94123

    FeaturesOur 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, spe...

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    $95.00 USD - $95.00 USD
    $95.00 USD
    $95.00 USD - $95.00 USD
    $95.00 USD
  • $125.00 USD - $125.00 USD
    $125.00 USD
    $125.00 USD - $125.00 USD
    $125.00 USD

    Celestron UHC/LPR Filter - 2"

    CEL-94124

    FeaturesOur 2" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifi...

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    $125.00 USD - $125.00 USD
    $125.00 USD
    $125.00 USD - $125.00 USD
    $125.00 USD
  • $43.00 USD - $43.00 USD
    $43.00 USD
    $43.00 USD - $43.00 USD
    $43.00 USD

    Celestron Variable Polarizing Filter - 1.25”

    CEL-94107

    Features A customizable way to reduce brightness and glare on the brightest celestial objects like the Moon, Venus, and bright double stars Adjust ...

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    $43.00 USD - $43.00 USD
    $43.00 USD
    $43.00 USD - $43.00 USD
    $43.00 USD
  • Save up to 10% Save %
    $275.00 USD - $725.00 USD
    $275.00 USD - $725.00 USD
    $275.00 USD
    $247.50 USD - $652.50 USD
    $247.50 USD - $652.50 USD
    $247.50 USD

    Chroma B-Bessel Filter

    Options available

    Blue photometric filter in UVBRI series Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions or ""...

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    $275.00 USD - $725.00 USD
    $275.00 USD - $725.00 USD
    $275.00 USD
    $247.50 USD - $652.50 USD
    $247.50 USD - $652.50 USD
    $247.50 USD
    Save up to 10% Save %
  • Save up to 10% Save %
    $150.00 USD - $500.00 USD
    $150.00 USD - $500.00 USD
    $150.00 USD
    $135.00 USD - $450.00 USD
    $135.00 USD - $450.00 USD
    $135.00 USD

    Chroma Blue Filter

    Options available

    Blue filter for color rendering with RGB set Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions ...

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    $150.00 USD - $500.00 USD
    $150.00 USD - $500.00 USD
    $150.00 USD
    $135.00 USD - $450.00 USD
    $135.00 USD - $450.00 USD
    $135.00 USD
    Save up to 10% Save %
  • Save up to 10% Save %
    $130.00 USD - $375.00 USD
    $130.00 USD - $375.00 USD
    $130.00 USD
    $117.00 USD - $337.50 USD
    $117.00 USD - $337.50 USD
    $117.00 USD

    Chroma Clear Filter

    Options available

    Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions or "back reflections" Transmitted wavefront ...

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    $130.00 USD - $375.00 USD
    $130.00 USD - $375.00 USD
    $130.00 USD
    $117.00 USD - $337.50 USD
    $117.00 USD - $337.50 USD
    $117.00 USD
    Save up to 10% Save %
  • Save up to 10% Save %
    $150.00 USD - $500.00 USD
    $150.00 USD - $500.00 USD
    $150.00 USD
    $135.00 USD - $450.00 USD
    $135.00 USD - $450.00 USD
    $135.00 USD

    Chroma Green Filter

    Options available

    Green filter for color rendering with RGB set Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions...

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    $150.00 USD - $500.00 USD
    $150.00 USD - $500.00 USD
    $150.00 USD
    $135.00 USD - $450.00 USD
    $135.00 USD - $450.00 USD
    $135.00 USD
    Save up to 10% Save %
  • Save up to 10% Save %
    $575.00 USD - $1,550.00 USD
    $575.00 USD - $1,550.00 USD
    $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD

    Chroma H-alpha Filter - 3nm

    Options available

    H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a narrow-band emission filter i...

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    $575.00 USD - $1,550.00 USD
    $575.00 USD - $1,550.00 USD
    $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD
    Save up to 10% Save %
  • Save up to 10% Save %
    $460.00 USD - $1,380.00 USD
    $460.00 USD - $1,380.00 USD
    $460.00 USD
    $414.00 USD - $1,242.00 USD
    $414.00 USD - $1,242.00 USD
    $414.00 USD

    Chroma H-alpha Filter - 5nm

    Options available

    H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a narrow-band emission filter i...

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    $460.00 USD - $1,380.00 USD
    $460.00 USD - $1,380.00 USD
    $460.00 USD
    $414.00 USD - $1,242.00 USD
    $414.00 USD - $1,242.00 USD
    $414.00 USD
    Save up to 10% Save %
  • Save up to 10% Save %
    $275.00 USD - $830.00 USD
    $275.00 USD - $830.00 USD
    $275.00 USD
    $247.50 USD - $747.00 USD
    $247.50 USD - $747.00 USD
    $247.50 USD

    Chroma H-alpha Filter - 8nm

    Options available

    H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a narrow-band emission filter i...

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    $275.00 USD - $830.00 USD
    $275.00 USD - $830.00 USD
    $275.00 USD
    $247.50 USD - $747.00 USD
    $247.50 USD - $747.00 USD
    $247.50 USD
    Save up to 10% Save %
  • Save up to 10% Save %
    $575.00 USD - $1,550.00 USD
    $575.00 USD - $1,550.00 USD
    $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD

    Chroma H-alpha Filter Optimized for f/3 - 3nm

    Options available

    H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a narrow-band emission filter i...

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    $575.00 USD - $1,550.00 USD
    $575.00 USD - $1,550.00 USD
    $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD
    Save up to 10% Save %
  • Save up to 10% Save %
    $575.00 USD - $1,550.00 USD
    $575.00 USD - $1,550.00 USD
    $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD

    Chroma H-beta Filter - 3nm

    Options available

    H-beta filters are also useful for imaging nebulae and objects rich in ionized hydrogen. At 486.1nm, a narrow-band filter is required to separate H...

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    $575.00 USD - $1,550.00 USD
    $575.00 USD - $1,550.00 USD
    $575.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD - $1,395.00 USD
    $517.50 USD
    Save up to 10% Save %
  • Save up to 10% Save %
    $460.00 USD - $1,380.00 USD
    $460.00 USD - $1,380.00 USD
    $460.00 USD
    $414.00 USD - $1,242.00 USD
    $414.00 USD - $1,242.00 USD
    $414.00 USD

    Chroma H-beta Filter - 5nm

    Options available

    H-beta filters are also useful for imaging nebulae and objects rich in ionized hydrogen. At 486.1nm, a narrow-band filter is required to separate H...

    View full details
    $460.00 USD - $1,380.00 USD
    $460.00 USD - $1,380.00 USD
    $460.00 USD
    $414.00 USD - $1,242.00 USD
    $414.00 USD - $1,242.00 USD
    $414.00 USD
    Save up to 10% Save %
  • Save up to 10% Save %
    $775.00 USD - $3,350.00 USD
    $775.00 USD - $3,350.00 USD
    $775.00 USD
    $697.50 USD - $3,015.00 USD
    $697.50 USD - $3,015.00 USD
    $697.50 USD

    Chroma HaLRGB Filter Set

    Options available

    8nm H-alpha, Luminance, Red, Green, and Blue astronomy filter set Filters designed for use with CCD and for f/4.0 or slower No reflections leading ...

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    $775.00 USD - $3,350.00 USD
    $775.00 USD - $3,350.00 USD
    $775.00 USD
    $697.50 USD - $3,015.00 USD
    $697.50 USD - $3,015.00 USD
    $697.50 USD
    Save up to 10% Save %
  • Save up to 10% Save %
    $275.00 USD - $725.00 USD
    $275.00 USD - $725.00 USD
    $275.00 USD
    $247.50 USD - $652.50 USD
    $247.50 USD - $652.50 USD
    $247.50 USD

    Chroma I-Bessel Filter

    Options available

    NIR photometric filter in UVBRI series Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions or ""b...

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    $275.00 USD - $725.00 USD
    $275.00 USD - $725.00 USD
    $275.00 USD
    $247.50 USD - $652.50 USD
    $247.50 USD - $652.50 USD
    $247.50 USD
    Save up to 10% Save %
  • Save up to 10% Save %
    $275.00 USD - $790.00 USD
    $275.00 USD - $790.00 USD
    $275.00 USD
    $247.50 USD - $711.00 USD
    $247.50 USD - $711.00 USD
    $247.50 USD

    Chroma Jovian Methane Filter

    Options available

    Methane absorption band filter. This filter enhances contrast when imaging objects containing significant levels of methane. Methane-rich component...

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    $275.00 USD - $790.00 USD
    $275.00 USD - $790.00 USD
    $275.00 USD
    $247.50 USD - $711.00 USD
    $247.50 USD - $711.00 USD
    $247.50 USD
    Save up to 10% Save %
  • Save up to 10% Save %
    $275.00 USD - $550.00 USD
    $275.00 USD - $550.00 USD
    $275.00 USD
    $247.50 USD - $495.00 USD
    $247.50 USD - $495.00 USD
    $247.50 USD

    Chroma LoGlow Filter

    Options available

    Blocks common spectral lines from lighting sources. This filter provides balanced color for the visible spectrum while blocking most emission from ...

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    $275.00 USD - $550.00 USD
    $275.00 USD - $550.00 USD
    $275.00 USD
    $247.50 USD - $495.00 USD
    $247.50 USD - $495.00 USD
    $247.50 USD
    Save up to 10% Save %