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Narrowband Filters

  • Original price CA$581.00
    Original price CA$581.00 - Original price CA$581.00
    Original price CA$581.00
    Current price CA$551.95
    CA$551.95 - CA$551.95
    Current price CA$551.95

    Antlia 2.8nm Narrowband H-alpha Ultra Filter

    ANT-HA-2.8NM-RD36
    1 in stock

    Antlia H-alpha Pro narrowband filter optimizes the FWHM (full width half maximum) to 2.8nm bandpass. As the bandwidth becomes narrower, the 2.8nm ...

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    Original price CA$581.00
    Original price CA$581.00 - Original price CA$581.00
    Original price CA$581.00
    Current price CA$551.95
    CA$551.95 - CA$551.95
    Current price CA$551.95
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  • Original price CA$581.00
    Original price CA$581.00 - Original price CA$581.00
    Original price CA$581.00
    Current price CA$551.95
    CA$551.95 - CA$551.95
    Current price CA$551.95

    Antlia 2.8nm Narrowband OIII Ultra Filter

    ANT-OIII-2.8NM-RD36
    1 in stock

    Antlia OIII Ultra narrowband filter optimizes the FWHM (full width half maximum) to 2.8nm bandpass. As the bandwidth becomes narrower, the 2.8nm U...

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    Original price CA$581.00
    Original price CA$581.00 - Original price CA$581.00
    Original price CA$581.00
    Current price CA$551.95
    CA$551.95 - CA$551.95
    Current price CA$551.95
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  • Original price CA$581.00
    Original price CA$581.00 - Original price CA$581.00
    Original price CA$581.00
    Current price CA$551.95
    CA$551.95 - CA$551.95
    Current price CA$551.95

    Antlia 2.8nm Narrowband SII Ultra Filter

    ANT-SII-2.8NM-RD36
    1 in stock

    Antlia SII Ultra narrowband filter optimizes the FWHM (full width half maximum) to 2.8nm bandpass. As the bandwidth becomes narrower, the 2.8nm Ul...

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    Original price CA$581.00
    Original price CA$581.00 - Original price CA$581.00
    Original price CA$581.00
    Current price CA$551.95
    CA$551.95 - CA$551.95
    Current price CA$551.95
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  • Original price CA$344.00 - Original price CA$662.00
    Original price CA$344.00 - Original price CA$662.00
    Original price CA$344.00
    CA$326.80 - CA$628.90
    CA$326.80 - CA$628.90
    Current price CA$326.80

    Antlia 3nm Narrowband H-alpha Pro Filter

    Options available
    5 variants in stock

    656.3nm H-alpha Central Wavelength Small 3nm FHWM High >88% Peak Transmission Minimized halos on bright stars Description Specificat...

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    Original price CA$344.00 - Original price CA$662.00
    Original price CA$344.00 - Original price CA$662.00
    Original price CA$344.00
    CA$326.80 - CA$628.90
    CA$326.80 - CA$628.90
    Current price CA$326.80
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  • Original price CA$344.00 - Original price CA$662.00
    Original price CA$344.00 - Original price CA$662.00
    Original price CA$344.00
    CA$326.80 - CA$628.90
    CA$326.80 - CA$628.90
    Current price CA$326.80

    Antlia 3nm Narrowband OIII Pro Filter

    Options available
    4 variants in stock

    Antlia OIII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nmbandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

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    Original price CA$344.00 - Original price CA$662.00
    Original price CA$344.00 - Original price CA$662.00
    Original price CA$344.00
    CA$326.80 - CA$628.90
    CA$326.80 - CA$628.90
    Current price CA$326.80
    Save up to 5% Save %
  • Original price CA$344.00 - Original price CA$662.00
    Original price CA$344.00 - Original price CA$662.00
    Original price CA$344.00
    CA$326.80 - CA$628.90
    CA$326.80 - CA$628.90
    Current price CA$326.80

    Antlia 3nm Narrowband SII Pro Filter

    Options available
    3 variants in stock

    Antlia SII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

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    Original price CA$344.00 - Original price CA$662.00
    Original price CA$344.00 - Original price CA$662.00
    Original price CA$344.00
    CA$326.80 - CA$628.90
    CA$326.80 - CA$628.90
    Current price CA$326.80
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  • Original price CA$250.00 - Original price CA$473.00
    Original price CA$250.00 - Original price CA$473.00
    Original price CA$250.00
    CA$237.50 - CA$449.35
    CA$237.50 - CA$449.35
    Current price CA$237.50

    Antlia 4.5nm Narrowband H-alpha Edge Filter

    Options available
    2 variants in stock

    Antlia H-alpha EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on ...

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    Original price CA$250.00 - Original price CA$473.00
    Original price CA$250.00 - Original price CA$473.00
    Original price CA$250.00
    CA$237.50 - CA$449.35
    CA$237.50 - CA$449.35
    Current price CA$237.50
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  • Original price CA$250.00 - Original price CA$473.00
    Original price CA$250.00 - Original price CA$473.00
    Original price CA$250.00
    CA$237.50 - CA$449.35
    CA$237.50 - CA$449.35
    Current price CA$237.50

    Antlia 4.5nm Narrowband OIII Edge Filter

    Options available
    3 variants in stock

    Antlia OIII EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on unw...

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    Original price CA$250.00 - Original price CA$473.00
    Original price CA$250.00 - Original price CA$473.00
    Original price CA$250.00
    CA$237.50 - CA$449.35
    CA$237.50 - CA$449.35
    Current price CA$237.50
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  • Original price CA$250.00 - Original price CA$473.00
    Original price CA$250.00 - Original price CA$473.00
    Original price CA$250.00
    CA$237.50 - CA$449.35
    CA$237.50 - CA$449.35
    Current price CA$237.50

    Antlia 4.5nm Narrowband SII Edge Filter

    Options available
    4 variants in stock

    Antlia SII EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on unwa...

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    Original price CA$250.00 - Original price CA$473.00
    Original price CA$250.00 - Original price CA$473.00
    Original price CA$250.00
    CA$237.50 - CA$449.35
    CA$237.50 - CA$449.35
    Current price CA$237.50
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  • Original price CA$932.00
    Original price CA$932.00 - Original price CA$932.00
    Original price CA$932.00
    Current price CA$885.40
    CA$885.40 - CA$885.40
    Current price CA$885.40

    Antlia ALP-T Dualband 5nm Ha/OIII and SII/Hb Filter Set - 2"

    ANT-ALP-T-SET

    Original price CA$932.00
    Original price CA$932.00 - Original price CA$932.00
    Original price CA$932.00
    Current price CA$885.40
    CA$885.40 - CA$885.40
    Current price CA$885.40
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  • Original price CA$513.00
    Original price CA$513.00 - Original price CA$513.00
    Original price CA$513.00
    Current price CA$487.35
    CA$487.35 - CA$487.35
    Current price CA$487.35

    Antlia ALP-T Dualband 5nm Ha/OIII Filter

    ANT-ALP-T-2
    3 in stock

    The Antlia ALP-T dual band 5nm Ha&OIII filter is a dual line-pass filter which was designed to be used primarily with one-shot color (OSC) cam...

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    Original price CA$513.00
    Original price CA$513.00 - Original price CA$513.00
    Original price CA$513.00
    Current price CA$487.35
    CA$487.35 - CA$487.35
    Current price CA$487.35
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  • Original price CA$513.00
    Original price CA$513.00 - Original price CA$513.00
    Original price CA$513.00
    Current price CA$487.35
    CA$487.35 - CA$487.35
    Current price CA$487.35

    Antlia ALP-T Dualband 5nm Ha/OIII Highspeed Filter

    ANT-ALP-T-HS-2

    ALP-T Dual Band 5nm Highspeed Filters are further optimized to work with high-speed imaging systems by shifting slightly the passband and center w...

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    Original price CA$513.00
    Original price CA$513.00 - Original price CA$513.00
    Original price CA$513.00
    Current price CA$487.35
    CA$487.35 - CA$487.35
    Current price CA$487.35
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  • Original price CA$473.00
    Original price CA$473.00 - Original price CA$473.00
    Original price CA$473.00
    Current price CA$449.35
    CA$449.35 - CA$449.35
    Current price CA$449.35

    Antlia ALP-T Dualband 5nm SII/Hb Filter

    ANT-ALP-T-SII-HB-2

    The ALP-T dual band 5nm SII&Hb filter is a dual line-pass filter, which lets the deep red Sulfur-II line and the blue Hydrogen-Beta line throu...

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    Original price CA$473.00
    Original price CA$473.00 - Original price CA$473.00
    Original price CA$473.00
    Current price CA$449.35
    CA$449.35 - CA$449.35
    Current price CA$449.35
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  • Original price CA$242.00
    Original price CA$242.00 - Original price CA$242.00
    Original price CA$242.00
    Current price CA$229.90
    CA$229.90 - CA$229.90
    Current price CA$229.90

    Antlia Triband RGB Ultra Filter

    ANT-TRI-RGB-2

    It is designed for light pollution suppression for OSC and Mono cameras. The spectral design selected the most substantial information in the RGB b...

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    Original price CA$242.00
    Original price CA$242.00 - Original price CA$242.00
    Original price CA$242.00
    Current price CA$229.90
    CA$229.90 - CA$229.90
    Current price CA$229.90
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  • Original price CA$734.00 - Original price CA$734.00
    Original price
    CA$734.00
    CA$734.00 - CA$734.00
    Current price CA$734.00

    Askar 6nm Color Magic Ha/OIII & SII/OIII (D1+D2) Filter Package

    ASK-CM-D1D2

    Dual filter package: 6nm Ha/OIII (D1) and 6nm SII/OIII (D2) Optimized for high-contrast, narrowband astrophotography Description ...

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    Original price CA$734.00 - Original price CA$734.00
    Original price
    CA$734.00
    CA$734.00 - CA$734.00
    Current price CA$734.00
  • Original price CA$373.00 - Original price CA$373.00
    Original price
    CA$373.00
    CA$373.00 - CA$373.00
    Current price CA$373.00

    Askar 6nm Colour Magic Super Ha/OIII D1 Filter - 2"

    ASK-ASK2DNHOD1

    Askar newly launched ColourMagic Super D 2" Duo-narrowband filter, is a professional astrophotography tool specifically designed for deep-sky imag...

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    Original price CA$373.00 - Original price CA$373.00
    Original price
    CA$373.00
    CA$373.00 - CA$373.00
    Current price CA$373.00
  • Original price CA$373.00 - Original price CA$373.00
    Original price
    CA$373.00
    CA$373.00 - CA$373.00
    Current price CA$373.00

    Askar 6nm Colour Magic Super Ha/OIII D1 Filter - 2"

    ASK-ASK2DNSOD2

    6nm bandwidth dual-narrowband filter for Ha and OIII wavelengths 2-inch size for compatibility with various telescope setups Description The...

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    Original price CA$373.00 - Original price CA$373.00
    Original price
    CA$373.00
    CA$373.00 - CA$373.00
    Current price CA$373.00
  • Original price CA$373.00 - Original price CA$373.00
    Original price
    CA$373.00
    CA$373.00 - CA$373.00
    Current price CA$373.00

    Askar 6nm Colour Magic Super SII/OIII D2 Filter - 2"

    ASK-ASK2DNSOD2

    6nm bandwidth dual-narrowband filter for SII and OIII wavelengths 2-inch size for compatibility with various telescope setups Descript...

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    Original price CA$373.00 - Original price CA$373.00
    Original price
    CA$373.00
    CA$373.00 - CA$373.00
    Current price CA$373.00
  • Original price CA$253.00 - Original price CA$253.00
    Original price
    CA$253.00
    CA$253.00 - CA$253.00
    Current price CA$253.00

    Askar Color Magic Ha/OIII & SII/OIII (C1+C2) Filter Package

    ASK-CM-C1C2
    1 in stock

    Dual-filter package for astrophotography: Ha/OIII (C1) and SII/OIII (C2) Optimized for capturing stunning nebula images with enhanced color ...

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    Original price CA$253.00 - Original price CA$253.00
    Original price
    CA$253.00
    CA$253.00 - CA$253.00
    Current price CA$253.00
  • Original price CA$133.00 - Original price CA$133.00
    Original price
    CA$133.00
    CA$133.00 - CA$133.00
    Current price CA$133.00

    Askar Colour Magic Ha/OIII C1 Filter - 2"

    ASK-ASKAR2DBC1
    4 in stock

    Ha+OIII duo-band filter Improves the quality of the image High transmittance over 90% at its center wavelength Selectively filter...

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    Original price CA$133.00 - Original price CA$133.00
    Original price
    CA$133.00
    CA$133.00 - CA$133.00
    Current price CA$133.00
  • Original price CA$133.00 - Original price CA$133.00
    Original price
    CA$133.00
    CA$133.00 - CA$133.00
    Current price CA$133.00

    Askar Colour Magic SII/OIII C2 Filter - 2"

    ASK-ASKAR2DBC2
    1 in stock

    SII+OIII duo-band filter Improves the quality of the image High transmittance over 90% at its center wavelength Selectively filte...

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    Original price CA$133.00 - Original price CA$133.00
    Original price
    CA$133.00
    CA$133.00 - CA$133.00
    Current price CA$133.00
  • Original price CA$658.00
    Original price CA$658.00 - Original price CA$658.00
    Original price CA$658.00
    Current price CA$599.00
    CA$599.00 - CA$599.00
    Current price CA$599.00

    Astrodon H-alpha Filter - 5nm

    DON-HA5_31R
    Only 1 left!

    H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and i...

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    Original price CA$658.00
    Original price CA$658.00 - Original price CA$658.00
    Original price CA$658.00
    Current price CA$599.00
    CA$599.00 - CA$599.00
    Current price CA$599.00
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  • Original price CA$658.00
    Original price CA$658.00 - Original price CA$658.00
    Original price CA$658.00
    Current price CA$599.00
    CA$599.00 - CA$599.00
    Current price CA$599.00

    Astrodon SII Filter - 5nm

    DON-SII5_31R
    Only 1 left!

    If you want the look of Hubble Space Telescope (HST) images, such as the famous “Pillars of Creation” (the Eagle Nebula, Messier 16), then the next...

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    Original price CA$658.00
    Original price CA$658.00 - Original price CA$658.00
    Original price CA$658.00
    Current price CA$599.00
    CA$599.00 - CA$599.00
    Current price CA$599.00
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  • Original price CA$1,182.00 - Original price CA$2,631.00
    Original price
    CA$1,182.00 - CA$2,631.00
    CA$1,182.00 - CA$2,631.00
    Current price CA$1,182.00

    Baader 3.5/4nm f/2 Ultra-Highspeed Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Options available

    f/2 Highspeed Filterset consisting of 3 Filter: H-alpha, O III and S II. Highspeed Narrowband Filter are designed especially for the delicate requ...

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    Original price CA$1,182.00 - Original price CA$2,631.00
    Original price
    CA$1,182.00 - CA$2,631.00
    CA$1,182.00 - CA$2,631.00
    Current price CA$1,182.00