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Telescope Filters

182 products

Showing 145 - 168 of 182 products

Showing 145 - 168 of 182 products
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Explore Scientific Filter Explore Scientific UHC Nebula Filter 2" - 310210Explore Scientific Filter Explore Scientific UHC Nebula Filter 2" - 310210
Explore Scientific Explore Scientific UHC Nebula Filter 2" - 310210
$202 CAD
In stock
Explore Scientific Filter Explore Scientific UHC Nebula Filter 1.25" - 310215Explore Scientific Filter Explore Scientific UHC Nebula Filter 1.25" - 310215
Explore Scientific Explore Scientific UHC Nebula Filter 1.25" - 310215
$158 CAD
In stock
Explore Scientific Filter Explore Scientific Nebula Filter 1.25" O-III - 310205Explore Scientific Filter Explore Scientific Nebula Filter 1.25" O-III - 310205
Explore Scientific Explore Scientific Nebula Filter 1.25" O-III - 310205
$158 CAD
Back-Ordered
Askar Filter Askar Multifunctional Filter Drawer - ASK-MULTI-FD
Askar Askar Multifunctional Filter Drawer - ASK-MULTI-FD
$236 CAD
In stock
Celestron Filter Celestron Nebula Fitler for the Celestron Origin Intelligent Home Observatory - 93669Celestron Filter Celestron Nebula Fitler for the Celestron Origin Intelligent Home Observatory - 93669
Celestron Celestron Nebula Fitler for the Celestron Origin Intelligent Home Observatory - 93669
$300 CAD
Back-Ordered
Antlia Filter Antlia Ha, SII and OIII 3nm Pro Highspeed Filter - 2'' Mounted
Antlia Antlia Ha, SII and OIII 3nm Pro Highspeed Filter - 2'' Mounted
From $596 CAD
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Askar Filter Askar Color Magic SHO (SII, Ha, OIII) 3nm Narrowband Imaging Filter Set - 2" MountedAskar Filter Askar Color Magic SHO (SII, Ha, OIII) 3nm Narrowband Imaging Filter Set - 2" Mounted
Askar Askar Colour Magic 3nm SHO (SII, Ha, OIII) Narrowband Imaging Filter Set - 2" Mounted
$1,920 CAD
Back-Ordered
Askar Focal Reducer Askar Color Magic Duo-Narrowband 3nm Ha & OIII Imaging Filter - 2" MountedAskar Focal Reducer Askar Color Magic Duo-Narrowband 3nm Ha & OIII Imaging Filter - 2" Mounted
Askar Askar Colour Magic Ultra E1 Duo Narrowband Filter (OIII&Ha) - ASKAR2DBE1
$872 CAD
In stock
Baader Planetarium Filter Baader UBVRI Bessel I-Filter – PhotometricBaader Planetarium Filter Baader UBVRI Bessel I-Filter – Photometric
Baader Planetarium Baader UBVRI Bessel I-Filter – Photometric
From $211 CAD
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Optolong Filter Optolong O-III 6.5nm Filter
Optolong Optolong O-III 6.5nm Filter
From $199 CAD
In stock
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Celestron Filter Celestron Light Pollution Imaging Filter, RASA 11 - 93617Celestron Filter Celestron Light Pollution Imaging Filter, RASA 11 - 93617
Celestron Celestron Light Pollution Imaging Filter, RASA 11 - 93617
$978 CAD
Only 2 units left
William Optics Filter William Optics STC Ultra Layer® Astro Multispectra Fiter 48mm - YF-STC-M48William Optics Filter William Optics STC Ultra Layer® Astro Multispectra Fiter 48mm - YF-STC-M48
William Optics William Optics STC Ultra Layer® Astro Multispectra Fiter 48mm - YF-STC-M48
$285 CAD
Back-Ordered
Explore Scientific Filter Explore Scientific Nebula Filter 1.25" H-Beta - 310235Explore Scientific Filter Explore Scientific Nebula Filter 1.25" H-Beta - 310235
Explore Scientific Explore Scientific Nebula Filter 1.25" H-Beta - 310235
$187 CAD
In stock
Explore Scientific Filter Explore Scientific Neutral Density Filter 1.25" ND 0.9 - 310245Explore Scientific Filter Explore Scientific Neutral Density Filter 1.25" ND 0.9 - 310245
Explore Scientific Explore Scientific Neutral Density Filter 1.25" ND 0.9 - 310245
$72 CAD
In stock
Optolong Filter Optolong L1 Dual - Combo Set (L-Quad Enhance and L-Para) - OPT-L1-DUALOptolong Filter Optolong L1 Dual - Combo Set (L-Quad Enhance and L-Para) - OPT-L1-DUAL
Optolong Optolong L1 Dual - Combo Set (L-Quad Enhance and L-Para) - OPT-L1-DUAL
$558 CAD
Back-Ordered
Baader Planetarium Accessory LRGB 50.4mm Filterset – CMOS-optimizedBaader Planetarium Accessory LRGB 50.4mm Filterset – CMOS-optimized
Baader Planetarium LRGB 50.4mm Filterset – CMOS-optimized
$726 CAD
Back-Ordered
Baader Planetarium Accessory LRGB 65x65mm Filterset – CMOS-optimizedBaader Planetarium Accessory LRGB 65x65mm Filterset – CMOS-optimized
Baader Planetarium LRGB 65x65mm Filterset – CMOS-optimized
$1,112 CAD
Back-Ordered
Save $40
Optolong Filter 2" Optolong L-eXtreme 7nm Dual Narrowband Filter (H-Alpha and O-III)Optolong Filter Optolong L-eXtreme 7nm Dual Narrowband Filter (H-Alpha and O-III)
Optolong OPEN BOX Optolong L-eXtreme 7nm Dual Narrowband Filter (H-Alpha and O-III)
$299 CAD $339 CAD
Only 1 unit left
Baader Planetarium Filter Baader Eyepiece Filter Red 1.25", 610nm Longpass, Optically Polished w/MC - 2458307Baader Planetarium Filter Baader Eyepiece Filter Red 1.25", 610nm Longpass, Optically Polished w/MC - 2458307
Baader Planetarium Baader Eyepiece Filter Red 1.25", 610nm Longpass, Optically Polished w/MC - 2458307
$68 CAD
In stock
Chroma Filter Chroma LoGlow Broadband Light Pollution Reduction Filter - 27030Chroma Filter Chroma LoGlow Broadband Light Pollution Reduction Filter - 27030
Chroma Chroma LoGlow Broadband Light Pollution Reduction Filter - 27030
From $396 CAD
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Save $116
Meade Instruments Accessory Meade Instruments 5MM BLOCKING FILTER - BF5
Coronado Coronado 5MM BLOCKING FILTER - BF5
$464 CAD $580 CAD
Only 1 unit left
Antlia Filter Antlia H-Alpha Filter - 2.8nm Extra Narrowband Filters - 36mm UnmountedAntlia Filter H-Alpha Antlia H-Alpha Filter - 2.8nm Extra Narrowband Filters - 36mm Unmounted
Antlia Antlia H-Alpha Filter - 2.8nm Extra Narrowband Filters - 36mm Unmounted
$611 CAD
Only 4 units left
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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
$215 CAD
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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