487 products
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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 1¼" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$332 CAD
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Baader Planetarium
Baader S-II 31mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$357 CAD
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Baader Planetarium
Baader S-II 36mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$430 CAD
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Baader Planetarium
Baader S-II 2" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$492 CAD
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Baader Planetarium
Baader S-II 50.4mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$522 CAD
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Baader Planetarium
Baader S-II 50x50mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$532 CAD
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Baader Planetarium
Baader S-II 65x65mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Sale price$713 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$962 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$1,023 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$1,229 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$1,395 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$1,509 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$1,608 CAD
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Baader Planetarium
Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 65x65mm – CMOS-optimized (H-alpha / O-III / S-II)
Sale price$2,089 CAD
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Baader Planetarium
Baader 6.5nm Narrowband-Filterset 1¼" – CMOS-optimized (H-alpha / O-III / S-II)
Sale price$518 CAD
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Baader Planetarium
Baader 6.5nm Narrowband-Filterset 31mm – CMOS-optimized (H-alpha / O-III / S-II)
Sale price$546 CAD
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Baader Planetarium
Baader 6.5nm Narrowband-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)
Sale price$619 CAD
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Baader Planetarium
Baader 6.5nm Narrowband-Filterset 2" – CMOS-optimized (H-alpha / O-III / S-II)
Sale price$878 CAD
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Baader Planetarium
Baader 6.5nm Narrowband-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)
Sale price$999 CAD
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