Filters

All Stock Filters

149 products

Showing 73 - 96 of 149 products

Showing 73 - 96 of 149 products
View
Explore Scientific Filter Explore Scientific CLS Nebula Filter 1.25" - 310225Explore Scientific Filter Explore Scientific CLS Nebula Filter 1.25" - 310225
Explore Scientific Explore Scientific CLS Nebula Filter 1.25" - 310225
$156 CAD
In stock
Save $13
ZWO Filter ZWO 7nm H-Alpha Narrowband FilterZWO Filter ZWO 7nm H-Alpha Narrowband Filter
ZWO ZWO 7nm H-Alpha Narrowband Filter
From $161 CAD $174 CAD
In stock
Choose options
Baader Planetarium Baader ACF 2 DSLR Astro Conversion Filter for Canon EOS 350D/20D/10D/30D - 2459212
$161 CAD
In stock
Celestron Filter Celestron UHC/LPR Filter - 2" - 94124
Celestron Celestron UHC/LPR Filter - 2" - 94124
$163 CAD
In stock
Celestron Filter Celestron Oxygen III Narrowband Filter - 2" - 93624Celestron Filter Celestron Oxygen III Narrowband Filter - 2" - 93624
Celestron Celestron Oxygen III Narrowband Filter - 2" - 93624
$163 CAD
In stock
IDAS Filter IDAS LPS-V4 Light Pollution/Nebula/Comet Filter IIIDAS Filter IDAS LPS-V4 Light Pollution/Nebula/Comet Filter II
IDAS IDAS LPS-V4 Light Pollution/Nebula/Comet Filter II
From $165 CAD
Only 3 units left
Choose options
Baader Planetarium Baader Solar Continuum Filter (540nm) - New 7.5nm Version
From $168 CAD
In stock
Choose options
Explore Scientific Filter Explore Scientific CLS Nebula Filter 2" - 310220Explore Scientific Filter Explore Scientific CLS Nebula Filter 2" - 310220
Explore Scientific Explore Scientific CLS Nebula Filter 2" - 310220
$170 CAD
In stock
Save $32
Optolong Filter 2" Optolong L-Pro Light Pollution FilterOptolong Filter Canon EOS-C Optolong L-Pro Light Pollution Filter
Optolong Optolong L-Pro Light Pollution Filter
From $174 CAD $206 CAD
In stock
Choose options
Save $44
Optolong Filter 1.25" Optolong Hydrogen-Alpha 7nm FilterOptolong Filter 31mm Optolong Hydrogen-Alpha 7nm Filter
Optolong Optolong Hydrogen-Alpha 7nm Filter
From $176 CAD $220 CAD
In stock
Choose options
Save $16
ZWO Filter 1.25" ZWO "NEW" LRGB 4 Piece Filter SetZWO Filter 31mm ZWO "NEW" LRGB 4 Piece Filter Set
ZWO ZWO "NEW" LRGB 4 Piece Filter Set
From $184 CAD $200 CAD
In stock
Choose options
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 $197 CAD
In stock
Choose options
Astronomik Filter 1.25" (M28.5) Astronomik H-Alpha 12nm CCD MaxFR FilterAstronomik Filter 2" (M48) Astronomik H-Alpha 12nm CCD MaxFR Filter
Astronomik Astronomik H-Alpha 12nm CCD MaxFR Filter
From $197 CAD
In stock
Choose options
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 $197 CAD
In stock
Choose options
Optolong Filter Optolong O-III 6.5nm Filter
Optolong Optolong O-III 6.5nm Filter
From $199 CAD
In stock
Choose options
Save $42
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 $206 CAD $248 CAD
In stock
Choose options
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
In stock
Choose options
Save $98
Baader Planetarium Baader f/2 Highspeed-Filter H-alpha 1.25" - 2459393 (Discontinued)
$228 CAD $326 CAD
Only 1 unit left
IDAS Filter 6mm Unmounted. 1.1mm Thick IDAS LPS-D3 FiltersIDAS Filter 48mm(2″) Mounted IDAS LPS-D3 Filters
IDAS IDAS LPS-D3 Filters
From $229 CAD
Only 5 units left
Choose options
Baader Planetarium Baader UBVRI Bessel B-Filter – Photometric
From $230 CAD
In stock
Choose options
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 $232 CAD
In stock
Choose options
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 $232 CAD
In stock
Choose options
Astronomik Filter 2" (M48) Astronomik O-III 6nm CCD FilterAstronomik Filter 1.25" (M28.5) Astronomik O-III 6nm CCD Filter
Astronomik Astronomik O-III 6nm CCD Filter
From $232 CAD
In stock
Choose options
Save $41
Optolong Filter Optolong L-Quad Enhance Filter (L-QEF) Quad Bandpass Light Pollution Suppression FilterOptolong Filter Optolong 2" L-Quad Enhance Filter (L-QEF) Quad Bandpass Light Pollution Suppression Filter
Optolong Optolong 2" L-Quad Enhance Filter (L-QEF) Quad Bandpass Light Pollution Suppression Filter
$234 CAD $275 CAD
In stock