Filters

Narrowband Telescope Filters

99 products

Showing 49 - 72 of 99 products

Showing 49 - 72 of 99 products
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Antlia Filter 1.25" Antlia 3nm Narrowband Sulfur II (SII) Pro FiltersAntlia Filter 31mm Unmounted Antlia 3nm Narrowband Sulfur II (SII) Pro Filters
Antlia Antlia 3nm Narrowband Sulfur II (SII) Pro Filters
From $349 CAD
In stock
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Antlia Filter 1.25" Antlia 3nm Narrowband Oxygen III (OIII) Pro FiltersAntlia Filter 31mm Unmounted Antlia 3nm Narrowband Oxygen III (OIII) Pro Filters
Antlia Antlia 3nm Narrowband Oxygen III (OIII) Pro Filters
From $349 CAD
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Save $70
Optolong Filter Optolong L-eXtreme F2 Fast Optics Dual Narrowband Filter (H-Alpha and O-III)Optolong Filter Optolong L-eXtreme F2 Fast Optics Dual Narrowband Filter (H-Alpha and O-III)
Optolong Optolong L-eXtreme F2 Fast Optics Dual Narrowband Filter (H-Alpha and O-III)
$358 CAD $428 CAD
Back-Ordered
IDAS Filter 48mm Mounted IDAS NBZ FiltersIDAS Filter 52mm Mounted IDAS NBZ Filters
IDAS IDAS NBZ Filters
From $380 CAD
Only 4 units left
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Askar Filter Askar Color Magic 6nm Duo-Narrowband SII & OIII Imaging Filter - 2" MountedAskar Filter Askar Color Magic 6nm Duo-Narrowband SII & OIII Imaging Filter - 2" Mounted
Askar Askar Colour Magic D2 6nm Duo-Narrowband SII & OIII Imaging Filter - 2" Mounted
$385 CAD
Back-Ordered
Askar Filter Askar Color Magic 6nm Duo-Narrowband Ha & OIII Imaging Filter - 2" MountedAskar Filter Askar Color Magic 6nm Duo-Narrowband Ha & OIII Imaging Filter - 2" Mounted
Askar Askar Colour Magic D1 6nm Duo-Narrowband Ha & OIII Imaging Filter - 2" Mounted
$385 CAD
In stock
Antlia Filter Antlia ALP-T Dual Band 36mm 5nm Mounted FilterAntlia Filter Antlia ALP-T Dual Band 36mm 5nm Mounted Filter
Antlia Antlia ALP-T Dual Band Ha & OIII 5nm 36mm Unmounted Filter
$400 CAD
In stock
Baader Planetarium Baader O-III Ultra-Narrowband-Filters (4nm) - CMOS-Optimized
From $402 CAD
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Baader Planetarium Baader S-II f/2 Highspeed-Filters (6.5nm) – CMOS-optimized - 2961303
$402 CAD
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Baader Planetarium Baader O-III 2" f/2 Highspeed-Filter (6.5nm) – CMOS-optimized - 2961228
$405 CAD
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Baader Planetarium Baader S-II Ultra-Narrowband-Filters (4nm) – CMOS-Optimized
From $407 CAD
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Baader Planetarium Baader H-alpha 2" f/2 Highspeed-Filter (6.5nm) – CMOS-optimized - 2961153
$407 CAD
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Save $102
Optolong Filter 1.25" Optolong LRGB + H-Alpha 7nm 5 Piece Filter SetOptolong Filter 31mm Optolong LRGB + H-Alpha 7nm 5 Piece Filter Set
Optolong Optolong LRGB + H-Alpha 7nm 5 Piece Filter Set
From $409 CAD $511 CAD
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Celestron Filter Celestron H-alpha H-beta OIII Imaging Filter, Rowe-Ackermann Schmidt Astrograph (RASA) 8 - 93619Celestron Filter Celestron H-alpha H-beta OIII Imaging Filter, Rowe-Ackermann Schmidt Astrograph (RASA) 8 - 93619
Celestron Celestron H-alpha H-beta OIII Imaging Filter, Rowe-Ackermann Schmidt Astrograph (RASA) 8 - 93619
$430 CAD
In stock
Baader Planetarium Baader H-alpha Ultra-Narrowband-Filters (3.5nm) – CMOS Optimized
From $443 CAD
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Baader Planetarium Baader H-alpha f/2 Ultra-Highspeed-Filter (3.5nm) - CMOS-optimized
From $457 CAD
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Antlia Filter Antlia ALP-T Dual Band 2" 5nm Mounted FilterAntlia Filter Antlia ALP-T Dual Band 2" 5nm Mounted Filter
Antlia Antlia ALP-T Dual Band Highspeed Ha/OIII 2" 5nm Mounted Filter
$475 CAD
In stock
Antlia Filter Antlia ALP-T Dual Band Highspeed 3nm Ha & OIII / 3.5nm SII & Hb 2" Mounted FiltersAntlia Filter SET - 3nm Ha & OIII / 3.5nm SII & Hb Antlia ALP-T Dual Band Highspeed 3nm Ha & OIII / 3.5nm SII & Hb 2" Mounted Filters
Antlia Antlia ALP-T Dual Band 3nm Ha & OIII / 3.5nm SII & Hb 2" Mounted Filters
From $475 CAD
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Svbony Filter Svbony SV227 SHO 5nm 2" Filter Set SII H-Alpha OIII Narrowband Photographic Filters for Deep Sky - W9187DA-W9187DB-W9187DCSvbony Filter Svbony SV227 SHO 5nm 2" Filter Set SII H-Alpha OIII Narrowband Photographic Filters for Deep Sky - W9187DA-W9187DB-W9187DC
Svbony Svbony SV227 SHO 5nm 2" Filter Set SII H-Alpha OIII Narrowband Photographic Filters for Deep Sky - W9187DA-W9187DB-W9187DC
$479 CAD
In stock
Save $129
Optolong Filter 1.25" Optolong 7nm/6.5nm SHO S-II/H-Alpha/O-III 3 Piece Filter SetOptolong Filter 31mm Unmounted Optolong 7nm/6.5nm SHO S-II/H-Alpha/O-III 3 Piece Filter Set
Optolong Optolong 7nm/6.5nm SHO S-II/H-Alpha/O-III 3 Piece Filter Set
From $515 CAD $644 CAD
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William Optics Filter William Optics STC Astro Duo-Narrowband Filter 48mm - YF-STC-ADNWilliam Optics Filter William Optics STC Astro Duo-Narrowband Filter 48mm - YF-STC-ADN
William Optics William Optics STC Astro Duo-Narrowband Filter 48mm - YF-STC-ADN
$539 CAD
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Askar Filter Askar Color Magic 3nm Narrowband Oxygen III (OIII) Imaging Filter - 2" MountedAskar Filter Askar Color Magic 3nm Narrowband Oxygen III (OIII) Imaging Filter - 2" Mounted
Askar Askar Colour Magic 3nm Narrowband Oxygen III (OIII) Imaging Filter - 2" Mounted
$545 CAD
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Askar Filter Askar Color Magic 3nm Narrowband Sulfur II (SII) Imaging Filter - 2" MountedAskar Filter Askar Color Magic 3nm Narrowband Sulfur II (SII) Imaging Filter - 2" Mounted
Askar Askar Colour Magic 3nm Narrowband Sulfur II (SII) Imaging Filter - 2" Mounted
$545 CAD
Back-Ordered
Askar Filter Askar Color Magic 3nm Narrowband H-Alpha (Ha) Imaging Filter - 2" MountedAskar Filter Askar Color Magic 3nm Narrowband H-Alpha (Ha) Imaging Filter - 2" Mounted
Askar Askar Colour Magic 3nm Narrowband H-Alpha (Ha) Imaging Filter - 2" Mounted
$545 CAD
Back-Ordered