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  • Original price CA$62.00 - Original price CA$105.00
    Original price
    CA$62.00 - CA$105.00
    CA$62.00 - CA$105.00
    Current price CA$62.00

    Baader Polarizing Filter - Single

    Options available
    1 variants in stock

    Baader Polarizing FilterScrews into 1¼ or 2" eyepieces/threads. Useful in Lunar and Solar observations to limit brightness and increase contrast.Th...

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    Original price CA$62.00 - Original price CA$105.00
    Original price
    CA$62.00 - CA$105.00
    CA$62.00 - CA$105.00
    Current price CA$62.00
  • Original price CA$132.00 - Original price CA$238.00
    Original price
    CA$132.00 - CA$238.00
    CA$132.00 - CA$238.00
    Current price CA$132.00

    Baader Semi-APO Filter

    Options available
    1 variants in stock

    Two filters made into one for maximum brightness Combines Fringe-Killer with Moon & Skyglow for Semi-APO contrast with refractors Non-aging se...

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    Original price CA$132.00 - Original price CA$238.00
    Original price
    CA$132.00 - CA$238.00
    CA$132.00 - CA$238.00
    Current price CA$132.00
  • Original price CA$348.00 - Original price CA$487.00
    Original price
    CA$348.00 - CA$487.00
    CA$348.00 - CA$487.00
    Current price CA$348.00

    Baader U-Venus Filter - 350nm

    Options available

    Baader U-Filter (Venus and UV) 350nm. Transmission peak approx. 80% at 350nm, bandwidth 60nm (320-380nm), completely blocking the entire spectral ...

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    Original price CA$348.00 - Original price CA$487.00
    Original price
    CA$348.00 - CA$487.00
    CA$348.00 - CA$487.00
    Current price CA$348.00
  • Original price CA$143.00 - Original price CA$401.00
    Original price
    CA$143.00 - CA$401.00
    CA$143.00 - CA$401.00
    Current price CA$143.00

    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$143.00 - Original price CA$401.00
    Original price
    CA$143.00 - CA$401.00
    CA$143.00 - CA$401.00
    Current price CA$143.00
  • Original price CA$95.00 - Original price CA$158.00
    Original price
    CA$95.00 - CA$158.00
    CA$95.00 - CA$158.00
    Current price CA$95.00

    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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    Original price CA$95.00 - Original price CA$158.00
    Original price
    CA$95.00 - CA$158.00
    CA$95.00 - CA$158.00
    Current price CA$95.00
  • 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$18.00 - Original price CA$18.00
    Original price
    CA$18.00
    CA$18.00 - CA$18.00
    Current price CA$18.00

    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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    Original price CA$18.00 - Original price CA$18.00
    Original price
    CA$18.00
    CA$18.00 - CA$18.00
    Current price CA$18.00
  • Original price CA$28.00 - Original price CA$28.00
    Original price
    CA$28.00
    CA$28.00 - CA$28.00
    Current price CA$28.00

    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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    Original price CA$28.00 - Original price CA$28.00
    Original price
    CA$28.00
    CA$28.00 - CA$28.00
    Current price CA$28.00
  • Original price CA$132.00 - Original price CA$132.00
    Original price
    CA$132.00
    CA$132.00 - CA$132.00
    Current price CA$132.00

    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$132.00 - Original price CA$132.00
    Original price
    CA$132.00
    CA$132.00 - CA$132.00
    Current price CA$132.00
  • Original price CA$174.00 - Original price CA$174.00
    Original price
    CA$174.00
    CA$174.00 - CA$174.00
    Current price CA$174.00

    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$174.00 - Original price CA$174.00
    Original price
    CA$174.00
    CA$174.00 - CA$174.00
    Current price CA$174.00
  • Original price CA$132.00 - Original price CA$132.00
    Original price
    CA$132.00
    CA$132.00 - CA$132.00
    Current price CA$132.00

    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$132.00 - Original price CA$132.00
    Original price
    CA$132.00
    CA$132.00 - CA$132.00
    Current price CA$132.00
  • Original price CA$174.00 - Original price CA$174.00
    Original price
    CA$174.00
    CA$174.00 - CA$174.00
    Current price CA$174.00

    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$174.00 - Original price CA$174.00
    Original price
    CA$174.00
    CA$174.00 - CA$174.00
    Current price CA$174.00
  • Original price CA$60.00 - Original price CA$60.00
    Original price
    CA$60.00
    CA$60.00 - CA$60.00
    Current price CA$60.00

    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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    Original price CA$60.00 - Original price CA$60.00
    Original price
    CA$60.00
    CA$60.00 - CA$60.00
    Current price CA$60.00
  • Original price CA$385.00 - Original price CA$1,015.00
    Original price CA$385.00 - Original price CA$1,015.00
    Original price CA$385.00
    CA$346.50 - CA$913.50
    CA$346.50 - CA$913.50
    Current price CA$346.50

    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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    Original price CA$385.00 - Original price CA$1,015.00
    Original price CA$385.00 - Original price CA$1,015.00
    Original price CA$385.00
    CA$346.50 - CA$913.50
    CA$346.50 - CA$913.50
    Current price CA$346.50
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  • Original price CA$210.00 - Original price CA$700.00
    Original price CA$210.00 - Original price CA$700.00
    Original price CA$210.00
    CA$189.00 - CA$630.00
    CA$189.00 - CA$630.00
    Current price CA$189.00

    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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    Original price CA$210.00 - Original price CA$700.00
    Original price CA$210.00 - Original price CA$700.00
    Original price CA$210.00
    CA$189.00 - CA$630.00
    CA$189.00 - CA$630.00
    Current price CA$189.00
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  • Original price CA$182.00 - Original price CA$525.00
    Original price CA$182.00 - Original price CA$525.00
    Original price CA$182.00
    CA$163.80 - CA$472.50
    CA$163.80 - CA$472.50
    Current price CA$163.80

    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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    Original price CA$182.00 - Original price CA$525.00
    Original price CA$182.00 - Original price CA$525.00
    Original price CA$182.00
    CA$163.80 - CA$472.50
    CA$163.80 - CA$472.50
    Current price CA$163.80
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  • Original price CA$210.00 - Original price CA$700.00
    Original price CA$210.00 - Original price CA$700.00
    Original price CA$210.00
    CA$189.00 - CA$630.00
    CA$189.00 - CA$630.00
    Current price CA$189.00

    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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    Original price CA$210.00 - Original price CA$700.00
    Original price CA$210.00 - Original price CA$700.00
    Original price CA$210.00
    CA$189.00 - CA$630.00
    CA$189.00 - CA$630.00
    Current price CA$189.00
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  • Original price CA$805.00 - Original price CA$2,170.00
    Original price CA$805.00 - Original price CA$2,170.00
    Original price CA$805.00
    CA$724.50 - CA$1,953.00
    CA$724.50 - CA$1,953.00
    Current price CA$724.50

    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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    Original price CA$805.00 - Original price CA$2,170.00
    Original price CA$805.00 - Original price CA$2,170.00
    Original price CA$805.00
    CA$724.50 - CA$1,953.00
    CA$724.50 - CA$1,953.00
    Current price CA$724.50
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  • Original price CA$644.00 - Original price CA$1,932.00
    Original price CA$644.00 - Original price CA$1,932.00
    Original price CA$644.00
    CA$579.60 - CA$1,738.80
    CA$579.60 - CA$1,738.80
    Current price CA$579.60

    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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    Original price CA$644.00 - Original price CA$1,932.00
    Original price CA$644.00 - Original price CA$1,932.00
    Original price CA$644.00
    CA$579.60 - CA$1,738.80
    CA$579.60 - CA$1,738.80
    Current price CA$579.60
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  • Original price CA$385.00 - Original price CA$1,162.00
    Original price CA$385.00 - Original price CA$1,162.00
    Original price CA$385.00
    CA$346.50 - CA$1,045.80
    CA$346.50 - CA$1,045.80
    Current price CA$346.50

    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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    Original price CA$385.00 - Original price CA$1,162.00
    Original price CA$385.00 - Original price CA$1,162.00
    Original price CA$385.00
    CA$346.50 - CA$1,045.80
    CA$346.50 - CA$1,045.80
    Current price CA$346.50
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  • Original price CA$805.00 - Original price CA$2,170.00
    Original price CA$805.00 - Original price CA$2,170.00
    Original price CA$805.00
    CA$724.50 - CA$1,953.00
    CA$724.50 - CA$1,953.00
    Current price CA$724.50

    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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    Original price CA$805.00 - Original price CA$2,170.00
    Original price CA$805.00 - Original price CA$2,170.00
    Original price CA$805.00
    CA$724.50 - CA$1,953.00
    CA$724.50 - CA$1,953.00
    Current price CA$724.50
    Save up to 10% Save %
  • Original price CA$805.00 - Original price CA$2,170.00
    Original price CA$805.00 - Original price CA$2,170.00
    Original price CA$805.00
    CA$724.50 - CA$1,953.00
    CA$724.50 - CA$1,953.00
    Current price CA$724.50

    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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    Original price CA$805.00 - Original price CA$2,170.00
    Original price CA$805.00 - Original price CA$2,170.00
    Original price CA$805.00
    CA$724.50 - CA$1,953.00
    CA$724.50 - CA$1,953.00
    Current price CA$724.50
    Save up to 10% Save %
  • Original price CA$644.00 - Original price CA$1,932.00
    Original price CA$644.00 - Original price CA$1,932.00
    Original price CA$644.00
    CA$579.60 - CA$1,738.80
    CA$579.60 - CA$1,738.80
    Current price CA$579.60

    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...

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    Original price CA$644.00 - Original price CA$1,932.00
    Original price CA$644.00 - Original price CA$1,932.00
    Original price CA$644.00
    CA$579.60 - CA$1,738.80
    CA$579.60 - CA$1,738.80
    Current price CA$579.60
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  • Original price CA$1,085.00 - Original price CA$4,690.00
    Original price CA$1,085.00 - Original price CA$4,690.00
    Original price CA$1,085.00
    CA$976.50 - CA$4,221.00
    CA$976.50 - CA$4,221.00
    Current price CA$976.50

    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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    Original price CA$1,085.00 - Original price CA$4,690.00
    Original price CA$1,085.00 - Original price CA$4,690.00
    Original price CA$1,085.00
    CA$976.50 - CA$4,221.00
    CA$976.50 - CA$4,221.00
    Current price CA$976.50
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