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See More of the Universe — Discover Astronomy Filters at Telescopes Canada
Unlock the full beauty of the night sky with premium astronomy filters from Telescopes Canada. Whether you’re observing the Moon, exploring planets, or revealing faint deep-sky details, the right filter can transform your view and help you capture celestial wonders in stunning color and contrast.
From light pollution filters to narrowband imaging and color filters, we carry top brands trusted by amateur and professional astronomers alike. Every filter is backed by expert guidance, full Canadian warranty, and fast nationwide shipping.
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Baader Planetarium
Baader S-II 31mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$389 CAD
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Baader Planetarium
Baader S-II 36mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$466 CAD
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Baader Planetarium
Baader S-II 2" f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$528 CAD
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Baader Planetarium
Baader S-II 50.4mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$568 CAD
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Baader Planetarium
Baader S-II 50x50mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$580 CAD
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Baader Planetarium
Baader S-II 65x65mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$771 CAD
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Baader Planetarium
Baader S-II 1¼" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$363 CAD
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Baader Planetarium
Baader S-II 31mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$391 CAD
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Baader Planetarium
Baader S-II 36mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$471 CAD
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Baader Planetarium
Baader S-II 2" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$538 CAD
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Baader Planetarium
Baader S-II 50.4mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$571 CAD
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Baader Planetarium
Baader S-II 50x50mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$581 CAD
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Baader Planetarium
Baader S-II 65x65mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$779 CAD
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Baader Planetarium
Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 1¼" – CMOS-optimized (H-alpha / O-III / S-II)
Sale price$1,052 CAD
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Baader Planetarium
Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 31mm – CMOS-optimized (H-alpha / O-III / S-II)
Sale price$1,119 CAD
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Baader Planetarium
Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)
Sale price$1,344 CAD
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Baader Planetarium
Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 2" – CMOS-optimized (H-alpha / O-III / S-II)
Sale price$1,526 CAD
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Baader Planetarium
Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)
Sale price$1,650 CAD
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Baader Planetarium
Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 50x50mm – CMOS-optimized (H-alpha / O-III / S-II)
Sale price$1,759 CAD
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