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Showing 25 - 48 of 183 products
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Antlia Filter Antlia 7nm H-Alpha (Ha) Narrowband Prime Filter 36mm UnmountedAntlia Filter Antlia 7nm H-Alpha (Ha) Narrowband Prime Filter 36mm Unmounted
Antlia Antlia 7nm Narrowband Prime Filters 36mm Unmounted
$221 CAD
In stock
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Optolong Filter 1.25" Optolong Hydrogen-Alpha 7nm FilterOptolong Filter 31mm Optolong Hydrogen-Alpha 7nm Filter
Optolong Optolong Hydrogen-Alpha 7nm Filter
From $226 CAD
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Baader Planetarium Accessory Baader H-alpha 31mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader H-alpha 31mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
Baader Planetarium Baader H-alpha 31mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
$226 CAD
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Baader Planetarium Accessory Baader O-III 1¼" f/2 Highspeed-Filter (6.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader O-III 1¼" f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
Baader Planetarium Baader O-III 1¼" f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
$229 CAD
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Baader Planetarium Accessory Baader O-III 31mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader O-III 31mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
Baader Planetarium Baader O-III 31mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
$229 CAD
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Baader Planetarium Accessory Baader S-II 31mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader S-II 31mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
Baader Planetarium Baader S-II 31mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
$231 CAD
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Save $93
Baader Planetarium Filter Baader f/2 Highspeed-Filter H-alpha 1.25" - 2459393 (Discontinued)Baader Planetarium Filter Baader f/2 Highspeed-Filter H-alpha 1.25" - 2459393 (Discontinued)
Baader Planetarium Baader f/2 Highspeed-Filter H-alpha 1.25" - 2459393 (Discontinued)
$233 CAD $326 CAD
Only 1 unit left
Baader Planetarium Accessory Baader S-II 36mm Narrowband-Filter (6.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader S-II 36mm Narrowband-Filter (6.5nm) – CMOS-optimized
Baader Planetarium Baader S-II 36mm Narrowband-Filter (6.5nm) – CMOS-optimized
$238 CAD
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Baader Planetarium Accessory Baader O-III 36mm Narrowband-Filter (6.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader O-III 36mm Narrowband-Filter (6.5nm) – CMOS-optimized
Baader Planetarium Baader O-III 36mm Narrowband-Filter (6.5nm) – CMOS-optimized
$239 CAD
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IDAS Filter 52mm Mounted (Use with Base Filter) IDAS NB3 FiltersIDAS Filter Di Mounted IDAS NB3 Filters
IDAS IDAS NB3 Filters
$241 CAD
Only 1 unit left
Baader Planetarium Accessory Baader 20nm H-alpha Bandpass-Filter 2" (with LPFC)Baader Planetarium Accessory Baader 20nm H-alpha Bandpass-Filter 2" (with LPFC)
Baader Planetarium Baader 20nm H-alpha Bandpass-Filter 2" (with LPFC)
$241 CAD
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IDAS Filter 48mm Mounted IDAS NB1 FiltersIDAS Filter IDAS NB1 Filters
IDAS IDAS NB1 Filters
From $242 CAD
In stock, 6 units
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Astronomik Filter 1.25" (M28.5) Astronomik O-III 12nm CCD MaxFR FilterAstronomik Filter 2" (M48) Astronomik O-III 12nm CCD MaxFR Filter
Astronomik Astronomik O-III 12nm CCD MaxFR Filter
From $247 CAD
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Astronomik Filter 31mm, Protective Ring/Unthreaded Astronomik S-II 12nm CCD MaxFR FilterAstronomik Filter 1.25" (M28.5) Astronomik S-II 12nm CCD MaxFR Filter
Astronomik Astronomik S-II 12nm CCD MaxFR Filter
From $247 CAD
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Baader Planetarium Accessory Baader O-III 36mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader O-III 36mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
Baader Planetarium Baader O-III 36mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
$252 CAD
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Optolong Filter 2" Optolong L-eNhance Dual Narrowband Filter (H-Alpha and H-Beta/O-III)Optolong Filter Optolong L-eNhance Dual Narrowband Filter (H-Alpha and H-Beta/O-III)
Optolong Optolong L-eNhance Dual Narrowband Filter (H-Alpha and H-Beta/O-III)
From $254 CAD
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Baader Planetarium Accessory Baader S-II 36mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader S-II 36mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
Baader Planetarium Baader S-II 36mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
$254 CAD
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Baader Planetarium Accessory Baader H-alpha 36mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader H-alpha 36mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
Baader Planetarium Baader H-alpha 36mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized
$255 CAD
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Antlia Filter 1.25" Antlia 4.5nm Narrowband H-alpha (Ha) Edge FiltersAntlia Filter 31mm Unmounted Antlia 4.5nm Narrowband H-alpha (Ha) Edge Filters
Antlia Antlia 4.5nm Narrowband H-alpha (Ha) Edge Filters
From $259 CAD
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Antlia Filter 1.25" Antlia 4.5nm Narrowband Sulfur II (SII) Edge FiltersAntlia Filter 31mm Unmounted Antlia 4.5nm Narrowband Sulfur II (SII) Edge Filters
Antlia Antlia 4.5nm Narrowband Sulfur II (SII) Edge Filters
From $259 CAD
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Antlia Filter 1.25" Antlia 4.5nm Narrowband Oxygen III (OIII) Edge FiltersAntlia Filter 31mm Unmounted Antlia 4.5nm Narrowband Oxygen III (OIII) Edge Filters
Antlia Antlia 4.5nm Narrowband Oxygen III (OIII) Edge Filters
From $259 CAD
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Baader Planetarium Baader H-beta Narrowband-Filter (5.5nm) – CMOS-Optimized
From $270 CAD
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Astronomik Filter 2" (M48) Astronomik Hydrogen-Alpha 6nm CCD FilterAstronomik Filter 1.25" (M28.5) Astronomik Hydrogen-Alpha 6nm CCD Filter
Astronomik Astronomik Hydrogen-Alpha 6nm CCD Filter
From $274 CAD
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Astronomik Filter 2" (M48) Astronomik S-II 6nm CCD FilterAstronomik Filter 1.25" (M28.5) Astronomik S-II 6nm CCD Filter
Astronomik Astronomik S-II 6nm CCD Filter
From $274 CAD
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