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Due to the USA–China tariff escalation, we will temporarily not receive additional inventory for Celestron and Sky-Watcher products. As a result, we are unable to accept orders for any out-of-stock items and encourage you to take advantage of the products currently in stock while supplies last.
Due to the USA–China tariff escalation, we will temporarily not receive additional inventory for Celestron and Sky-Watcher products. As a result, we are unable to accept orders for any out-of-stock items and encourage you to take advantage of the products currently in stock while supplies last.

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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
  • Original price CA$1,161.00 - Original price CA$2,477.00
    Original price
    CA$1,161.00 - CA$2,477.00
    CA$1,161.00 - CA$2,477.00
    Current price CA$1,161.00

    Baader 3.5nm / 4nm Narrowband Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Options available

    Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmonize the exposure time of H-...

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    Original price CA$1,161.00 - Original price CA$2,477.00
    Original price
    CA$1,161.00 - CA$2,477.00
    CA$1,161.00 - CA$2,477.00
    Current price CA$1,161.00
  • Original price CA$399.00 - Original price CA$864.00
    Original price
    CA$399.00 - CA$864.00
    CA$399.00 - CA$864.00
    Current price CA$399.00

    Baader 4nm Ultra-Narrowband OIII Filter - CMOS-Optimized

    Options available

    Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmonize the exposure time of H-...

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    Original price CA$399.00 - Original price CA$864.00
    Original price
    CA$399.00 - CA$864.00
    CA$399.00 - CA$864.00
    Current price CA$399.00
  • Original price CA$685.00 - Original price CA$1,637.00
    Original price
    CA$685.00 - CA$1,637.00
    CA$685.00 - CA$1,637.00
    Current price CA$685.00

    Baader 6.5nm f/2 Highspeed Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Options available
    1 variants in stock

    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...

    View full details
    Original price CA$685.00 - Original price CA$1,637.00
    Original price
    CA$685.00 - CA$1,637.00
    CA$685.00 - CA$1,637.00
    Current price CA$685.00
  • Original price CA$234.00 - Original price CA$601.00
    Original price
    CA$234.00 - CA$601.00
    CA$234.00 - CA$601.00
    Current price CA$234.00

    Baader 6.5nm H-alpha Filter - CMOS-Optimized

    Options available

    Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-...

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    Original price CA$234.00 - Original price CA$601.00
    Original price
    CA$234.00 - CA$601.00
    CA$234.00 - CA$601.00
    Current price CA$234.00
  • Original price CA$640.00 - Original price CA$1,609.00
    Original price
    CA$640.00 - CA$1,609.00
    CA$640.00 - CA$1,609.00
    Current price CA$640.00

    Baader 6.5nm Narrowband Filter Set - CMOS-Optimized H-alpha/O-III/S-II

    Options available

    Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-...

    View full details
    Original price CA$640.00 - Original price CA$1,609.00
    Original price
    CA$640.00 - CA$1,609.00
    CA$640.00 - CA$1,609.00
    Current price CA$640.00
  • Original price CA$223.00 - Original price CA$587.00
    Original price
    CA$223.00 - CA$587.00
    CA$223.00 - CA$587.00
    Current price CA$223.00

    Baader 6.5nm OIII Filter - CMOS-Optimized

    Options available

    6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-Blocker ™ hard coated and planoptically polished - with sealed coating...

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    Original price CA$223.00 - Original price CA$587.00
    Original price
    CA$223.00 - CA$587.00
    CA$223.00 - CA$587.00
    Current price CA$223.00
  • Original price CA$220.00 - Original price CA$584.00
    Original price
    CA$220.00 - CA$584.00
    CA$220.00 - CA$584.00
    Current price CA$220.00

    Baader 6.5nm SII Filter - CMOS-Optimized

    Options available

    6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-Blocker ™ hard coated and planoptically polished - with sealed coating...

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    Original price CA$220.00 - Original price CA$584.00
    Original price
    CA$220.00 - CA$584.00
    CA$220.00 - CA$584.00
    Current price CA$220.00
  • Original price CA$139.00 - Original price CA$139.00
    Original price
    CA$139.00
    CA$139.00 - CA$139.00
    Current price CA$139.00

    Baader ACF DSLR Astro Conversion Filter - for Canon EOS 300

    BAA-2459211

    DSLR Conversion Filter for Canon EOS 300DTurn your Canon DSLR into a superb deep sky AstroCamera. Baader's DSLR conversion filters replace the fact...

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    Original price CA$139.00 - Original price CA$139.00
    Original price
    CA$139.00
    CA$139.00 - CA$139.00
    Current price CA$139.00
  • Original price CA$160.00 - Original price CA$160.00
    Original price
    CA$160.00
    CA$160.00 - CA$160.00
    Current price CA$160.00

    Baader ACF DSLR Astro Conversion Filter - for Canon EOS 350D/10D/20D/30D

    BAA-2459212

    DSLR Conversion Filter for Canon EOS 350D/20D/10D/30D. Limited StockTurn your Canon DSLR into a superb deep sky AstroCamera. Baader's DSLR convers...

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    Original price CA$160.00 - Original price CA$160.00
    Original price
    CA$160.00
    CA$160.00 - CA$160.00
    Current price CA$160.00
  • Original price CA$134.00 - Original price CA$134.00
    Original price
    CA$134.00
    CA$134.00 - CA$134.00
    Current price CA$134.00

    Baader BCF DSLR Astro Conversion Filter - for Canon EOS

    BAA-2459213

    DSLR Conversion Filter for Canon APS-C cameras (all latest models, as well as older EOS 7D/40D/50D/60D/400D/450D/500D/550D/600D/650D/1000D/1100D/Re...

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    Original price CA$134.00 - Original price CA$134.00
    Original price
    CA$134.00
    CA$134.00 - CA$134.00
    Current price CA$134.00
  • Original price CA$69.00 - Original price CA$193.00
    Original price
    CA$69.00 - CA$193.00
    CA$69.00 - CA$193.00
    Current price CA$69.00

    Baader Clear Focusing Filter

    Options available

    Baader Premium grade impermeable RGB-C Clearglass Filters. The Baader clear glass filters are used to focus a camera when using very narrow band l...

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    Original price CA$69.00 - Original price CA$193.00
    Original price
    CA$69.00 - CA$193.00
    CA$69.00 - CA$193.00
    Current price CA$69.00
  • Original price CA$391.00 - Original price CA$559.00
    Original price
    CA$391.00 - CA$559.00
    CA$391.00 - CA$559.00
    Current price CA$391.00

    Baader Color Filter Set - 6 Colors

    Options available

    "Less is more!" Better a few filters with high optical performance produced for astronomical observations than whole mountains of filters with medi...

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    Original price CA$391.00 - Original price CA$559.00
    Original price
    CA$391.00 - CA$559.00
    CA$391.00 - CA$559.00
    Current price CA$391.00
  • 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$134.00 - Original price CA$193.00
    Original price
    CA$134.00 - CA$193.00
    CA$134.00 - CA$193.00
    Current price CA$134.00

    Baader Fringe-Killer Filter

    Options available

    * As Reviewed in the April 2004 Sky and telescope *Why Baader Planetarium Filters?Achromat owners rejoice! Baader Planetarium has taken minus viole...

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    Original price CA$134.00 - Original price CA$193.00
    Original price
    CA$134.00 - CA$193.00
    CA$134.00 - CA$193.00
    Current price CA$134.00
  • Original price CA$153.00 - Original price CA$370.00
    Original price
    CA$153.00 - CA$370.00
    CA$153.00 - CA$370.00
    Current price CA$153.00

    Baader H-Alpha CCD Filter -35nm

    Options available

    Premium grade H-alpha interline chip CCD-filter for fast optical systems f/10 to f/2.8 IR-blocked NO halos, NO reflections, NO ghosting Non-aging ...

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    Original price CA$153.00 - Original price CA$370.00
    Original price
    CA$153.00 - CA$370.00
    CA$153.00 - CA$370.00
    Current price CA$153.00
  • Original price CA$74.00 - Original price CA$111.00
    Original price
    CA$74.00 - CA$111.00
    CA$74.00 - CA$111.00
    Current price CA$74.00

    Baader Individual Color Filter - Dark Blue, Bright Blue, Green, Yellow, Red, Orange

    Options available

    "Less is more!" Better a few filters with high optical performance produced for astronomical observations than whole mountains of filters with medi...

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    Original price CA$74.00 - Original price CA$111.00
    Original price
    CA$74.00 - CA$111.00
    CA$74.00 - CA$111.00
    Current price CA$74.00
  • Original price CA$137.00 - Original price CA$218.00
    Original price
    CA$137.00 - CA$218.00
    CA$137.00 - CA$218.00
    Current price CA$137.00

    Baader IR-Pass Filter 685nm

    Options available

    Baader IR-Pass Filter HWB 685nm Reduces the effect of seeing resulting in a much sharper image. Ideal for imaging and used for the luminosity chan...

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    Original price CA$137.00 - Original price CA$218.00
    Original price
    CA$137.00 - CA$218.00
    CA$137.00 - CA$218.00
    Current price CA$137.00
  • Original price CA$489.00 - Original price CA$1,329.00
    Original price
    CA$489.00 - CA$1,329.00
    CA$489.00 - CA$1,329.00
    Current price CA$489.00

    Baader LRGB Filter Set - CMOS-Optimized

    Options available

    New CMOS-optimized L-RGB filters from Baader Planetarium with Reflex-Blocker™ and Life-Coat™.Baader CMOS RGB Bandpass Filter RGB-R (595 – 690 mm) R...

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    Original price CA$489.00 - Original price CA$1,329.00
    Original price
    CA$489.00 - CA$1,329.00
    CA$489.00 - CA$1,329.00
    Current price CA$489.00
  • Original price CA$374.00 - Original price CA$374.00
    Original price
    CA$374.00
    CA$374.00 - CA$374.00
    Current price CA$374.00

    Baader Methane Filter 889nm - 8nm 1.25"

    BAA-2458295

    Schott RG 830 substrate with super stack dielectric coating For pure methane band transmission, planetary imaging Non-aging sealed coating edges ...

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    Original price CA$374.00 - Original price CA$374.00
    Original price
    CA$374.00
    CA$374.00 - CA$374.00
    Current price CA$374.00
  • 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$69.00 - Original price CA$118.00
    Original price
    CA$69.00 - CA$118.00
    CA$69.00 - CA$118.00
    Current price CA$69.00

    Baader Neutral Density Filter - ND 0.6/0.9/1.8/3.0

    Options available
    3 variants in stock

    For reducing brightness and during Lunar and Solar observation. Suitable for solar observing only as an additional post-filter! Fine optical polis...

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    Original price CA$69.00 - Original price CA$118.00
    Original price
    CA$69.00 - CA$118.00
    CA$69.00 - CA$118.00
    Current price CA$69.00
  • Original price CA$239.00 - Original price CA$1,103.00
    Original price
    CA$239.00 - CA$1,103.00
    CA$239.00 - CA$1,103.00
    Current price CA$239.00

    Baader Photometric SLOAN/SDSS g' Individual Filter

    Options available

    Baader SLOAN-g' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specif...

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    Original price CA$239.00 - Original price CA$1,103.00
    Original price
    CA$239.00 - CA$1,103.00
    CA$239.00 - CA$1,103.00
    Current price CA$239.00
  • Original price CA$239.00 - Original price CA$1,103.00
    Original price
    CA$239.00 - CA$1,103.00
    CA$239.00 - CA$1,103.00
    Current price CA$239.00

    Baader Photometric SLOAN/SDSS i' Individual Filter

    Options available

    Baader SLOAN-i' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specif...

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    Original price CA$239.00 - Original price CA$1,103.00
    Original price
    CA$239.00 - CA$1,103.00
    CA$239.00 - CA$1,103.00
    Current price CA$239.00