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Due to the Canada Post strike, please expect delays in pickups and deliveries with all carriers. Holiday Schedule: We will be closed from December 22nd to January 1st. Orders will continue shipping during that period, but there will be delays. Happy Holidays!
Due to the Canada Post strike, please expect delays in pickups and deliveries with all carriers. Holiday Schedule: We will be closed from December 22nd to January 1st. Orders will continue shipping during that period, but there will be delays. Happy Holidays!

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Light Pollution Filters

  • Original price CA$267.00 - Original price CA$267.00
    Original price
    CA$267.00
    CA$267.00 - CA$267.00
    Current price CA$267.00

    Antlia Quad Band Light Pollution Filter - 2"

    ANT-QUAD-2

    The Antlia Quad Band Anti-Light Pollution Filter is a light suppression filter for color and monochrome cameras. It is able to shoot most deep sky...

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    Original price CA$267.00 - Original price CA$267.00
    Original price
    CA$267.00
    CA$267.00 - CA$267.00
    Current price CA$267.00
  • Original price CA$129.00 - Original price CA$206.00
    Original price
    CA$129.00 - CA$206.00
    CA$129.00 - CA$206.00
    Current price CA$129.00

    Baader Contrast-Booster Filter

    Options available

    For Solar Observation use only in combination with Baader AstroSolar Safety Film! Eliminates the color error of economy refractors. Clearly puts th...

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    Original price CA$129.00 - Original price CA$206.00
    Original price
    CA$129.00 - CA$206.00
    CA$129.00 - CA$206.00
    Current price CA$129.00
  • Original price CA$129.00 - Original price CA$213.00
    Original price
    CA$129.00 - CA$213.00
    CA$129.00 - CA$213.00
    Current price CA$129.00

    Baader Moon & Skyglow Filter

    Options available

    Selective contrast filter, for all reflector and refractor telescopes Filters out specific wavelengths, especially those caused by streetlight and...

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    Original price CA$129.00 - Original price CA$213.00
    Original price
    CA$129.00 - CA$213.00
    CA$129.00 - CA$213.00
    Current price CA$129.00
  • Original price CA$148.00 - Original price CA$399.00
    Original price
    CA$148.00 - CA$399.00
    CA$148.00 - CA$399.00
    Current price CA$148.00

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

    Options available
    1 variants in stock

    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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    Original price CA$148.00 - Original price CA$399.00
    Original price
    CA$148.00 - CA$399.00
    CA$148.00 - CA$399.00
    Current price CA$148.00
  • Original price CA$153.00 - Original price CA$265.00
    Original price
    CA$153.00 - CA$265.00
    CA$153.00 - CA$265.00
    Current price CA$153.00

    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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    Original price CA$153.00 - Original price CA$265.00
    Original price
    CA$153.00 - CA$265.00
    CA$153.00 - CA$265.00
    Current price CA$153.00
  • Original price CA$121.00 - Original price CA$121.00
    Original price
    CA$121.00
    CA$121.00 - CA$121.00
    Current price CA$121.00

    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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    Original price CA$121.00 - Original price CA$121.00
    Original price
    CA$121.00
    CA$121.00 - CA$121.00
    Current price CA$121.00
  • Original price CA$162.00 - Original price CA$162.00
    Original price
    CA$162.00
    CA$162.00 - CA$162.00
    Current price CA$162.00

    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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    Original price CA$162.00 - Original price CA$162.00
    Original price
    CA$162.00
    CA$162.00 - CA$162.00
    Current price CA$162.00
  • Original price CA$121.00 - Original price CA$121.00
    Original price
    CA$121.00
    CA$121.00 - CA$121.00
    Current price CA$121.00

    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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    Original price CA$121.00 - Original price CA$121.00
    Original price
    CA$121.00
    CA$121.00 - CA$121.00
    Current price CA$121.00
  • Original price CA$162.00 - Original price CA$162.00
    Original price
    CA$162.00
    CA$162.00 - CA$162.00
    Current price CA$162.00

    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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    Original price CA$162.00 - Original price CA$162.00
    Original price
    CA$162.00
    CA$162.00 - CA$162.00
    Current price CA$162.00
  • Original price CA$385.00 - Original price CA$770.00
    Original price
    CA$385.00 - CA$770.00
    CA$385.00 - CA$770.00
    Current price CA$385.00

    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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    Original price CA$385.00 - Original price CA$770.00
    Original price
    CA$385.00 - CA$770.00
    CA$385.00 - CA$770.00
    Current price CA$385.00
  • Original price CA$154.00 - Original price CA$168.00
    Original price
    CA$154.00 - CA$168.00
    CA$154.00 - CA$168.00
    Current price CA$154.00

    Explore Scientific Nebula Filter CLS - 1.25"

    Options available

    Explore Scientific Nebula Filter CLS - 1.25"

    Original price CA$154.00 - Original price CA$168.00
    Original price
    CA$154.00 - CA$168.00
    CA$154.00 - CA$168.00
    Current price CA$154.00
  • Original price CA$168.00 - Original price CA$168.00
    Original price
    CA$168.00
    CA$168.00 - CA$168.00
    Current price CA$168.00

    Explore Scientific Nebula Filter CLS - 2.0"

    ES-310220

    Explore Scientific Nebula Filter CLS - 2.0"

    Original price CA$168.00 - Original price CA$168.00
    Original price
    CA$168.00
    CA$168.00 - CA$168.00
    Current price CA$168.00
  • Original price CA$182.00 - Original price CA$182.00
    Original price
    CA$182.00
    CA$182.00 - CA$182.00
    Current price CA$182.00

    Explore Scientific Nebula Filter H-Beta - 1.25"

    ES-310235

    Explore Scientific Nebula Filter H-Beta - 1.25"

    Original price CA$182.00 - Original price CA$182.00
    Original price
    CA$182.00
    CA$182.00 - CA$182.00
    Current price CA$182.00
  • Original price CA$252.00 - Original price CA$252.00
    Original price
    CA$252.00
    CA$252.00 - CA$252.00
    Current price CA$252.00

    Explore Scientific Nebula Filter H-Beta - 2.0"

    ES-310230

    Explore Scientific Nebula Filter H-Beta - 2.0"

    Original price CA$252.00 - Original price CA$252.00
    Original price
    CA$252.00
    CA$252.00 - CA$252.00
    Current price CA$252.00
  • Original price CA$154.00 - Original price CA$154.00
    Original price
    CA$154.00
    CA$154.00 - CA$154.00
    Current price CA$154.00

    Explore Scientific Nebula Filter Oxygen III - 1.25"

    ES-310205

    Explore Scientific Nebula Filter Oxygen III - 1.25"

    Original price CA$154.00 - Original price CA$154.00
    Original price
    CA$154.00
    CA$154.00 - CA$154.00
    Current price CA$154.00
  • Original price CA$196.00 - Original price CA$196.00
    Original price
    CA$196.00
    CA$196.00 - CA$196.00
    Current price CA$196.00

    Explore Scientific Nebula Filter Oxygen III - 2.0"

    ES-310200

    Explore Scientific Nebula Filter Oxygen III - 2.0"

    Original price CA$196.00 - Original price CA$196.00
    Original price
    CA$196.00
    CA$196.00 - CA$196.00
    Current price CA$196.00
  • Original price CA$154.00 - Original price CA$154.00
    Original price
    CA$154.00
    CA$154.00 - CA$154.00
    Current price CA$154.00

    Explore Scientific Nebula Filter UHC - 1.25"

    ES-310215

    Explore Scientific Nebula Filter UHC - 1.25"

    Original price CA$154.00 - Original price CA$154.00
    Original price
    CA$154.00
    CA$154.00 - CA$154.00
    Current price CA$154.00
  • Original price CA$196.00 - Original price CA$196.00
    Original price
    CA$196.00
    CA$196.00 - CA$196.00
    Current price CA$196.00

    Explore Scientific Nebula Filter UHC - 2.0"

    ES-310210

    Explore Scientific Nebula Filter UHC - 2.0"

    Original price CA$196.00 - Original price CA$196.00
    Original price
    CA$196.00
    CA$196.00 - CA$196.00
    Current price CA$196.00
  • Original price CA$209.00 - Original price CA$405.00
    Original price
    CA$209.00 - CA$405.00
    CA$209.00 - CA$405.00
    Current price CA$209.00

    Optolong L-Pro Filter

    Options available
    2 variants in stock

    Optolong L-Pro is multi-bandpass filter which offers better color balance by maximizing the transmission band. The balanced transmission allows ast...

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    Original price CA$209.00 - Original price CA$405.00
    Original price
    CA$209.00 - CA$405.00
    CA$209.00 - CA$405.00
    Current price CA$209.00
  • Original price CA$77.00 - Original price CA$161.00
    Original price
    CA$77.00 - CA$161.00
    CA$77.00 - CA$161.00
    Current price CA$77.00

    Optolong UHC Filter

    Options available
    1 variants in stock

    Optolong UHC with narrower passband provides higher contrast. Thus it is more suitable for urban environment where you suffer from severe light pol...

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    Original price CA$77.00 - Original price CA$161.00
    Original price
    CA$77.00 - CA$161.00
    CA$77.00 - CA$161.00
    Current price CA$77.00
  • Original price CA$277.00 - Original price CA$277.00
    Original price
    CA$277.00
    CA$277.00 - CA$277.00
    Current price CA$277.00

    William Optics STC Ultra Layer Astro Multispectra Filter - 48mm

    WO-YF-STC-M48

    Multi-bandpass filter for astrophotography 48mm thread-on design for easy attachment Description The William Optics STC Ultra ...

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    Original price CA$277.00 - Original price CA$277.00
    Original price
    CA$277.00
    CA$277.00 - CA$277.00
    Current price CA$277.00