Filters

183 products

Showing 1 - 24 of 183 products

Showing 1 - 24 of 183 products
View
Astronomik Filter 1.25" (M28.5) Astronomik S-II 6nm CCD MaxFR FilterAstronomik Filter Astronomik S-II 6nm CCD MaxFR Filter
Astronomik Astronomik S-II 6nm CCD MaxFR Filter
From $41 CAD
In stock
Choose options
Svbony Filter Svbony 18nm O-III Nebula Filter - F9186
Svbony Svbony 18nm O-III Nebula Filter - F9186
From $70 CAD
In stock
Choose options
Save $16
ZWO Filter ZWO Duo Band FilterZWO Filter 1.25" ZWO Duo Band Filter
ZWO ZWO Duo Band Filter
From $94 CAD $110 CAD
In stock
Choose options
Save $19
Optolong Filter 2" Optolong Hydrogen-Beta 12nm Narrowband FilterOptolong Filter Optolong Hydrogen-Beta 12nm Narrowband Filter
Optolong Optolong Hydrogen-Beta 12nm Narrowband Filter
From $107 CAD $126 CAD
In stock
Choose options
Baader Planetarium Accessory Baader O-III Super-G Filter (9nm) - CMOS optimized 1-1/4" and 2" - 2961550 / 2961551Baader Planetarium Accessory Baader O-III Super-G Filter (9nm) - CMOS optimized 1-1/4" and 2" - 2961550 / 2961551
Baader Planetarium Baader O-III Super-G Filter (9nm) - CMOS optimized 1-1/4" and 2" - 2961550 / 2961551
From $130 CAD
In stock
Choose options
Celestron Filter Celestron Oxygen III Narrowband Filter - 1.25" - 93623Celestron Filter Celestron Oxygen III Narrowband Filter - 1.25" - 93623
Celestron Celestron Oxygen III Narrowband Filter - 1.25" - 93623
$133 CAD
In stock
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 $136 CAD
In stock
Choose options
Baader Planetarium Accessory Baader 20nm H-alpha Bandpass-Filter 1¼" (with LPFC)Baader Planetarium Accessory Baader 20nm H-alpha Bandpass-Filter 1¼" (with LPFC)
Baader Planetarium Baader 20nm H-alpha Bandpass-Filter 1¼" (with LPFC)
$137 CAD
Back Order
Antlia Filter Antlia H-beta and OIII Filter for the Visual and PhotographyAntlia Filter Antlia H-beta and OIII Filter for the Visual and Photography
Antlia Antlia H-beta and OIII Filter for the Visual and Photography 1.25"
$139 CAD
In stock
Svbony Filter Svbony SV220 Dual-Band 7nm Nebula Filter - W9172BSvbony Filter Svbony SV220 Dual-Band 7nm Nebula Filter - W9172B
Svbony Svbony SV220 Dual-Band 7nm Nebula Filter - W9172
From $149 CAD
In stock
Choose options
Save $29
ZWO Filter ZWO 7nm H-Alpha Narrowband FilterZWO Filter ZWO 7nm H-Alpha Narrowband Filter
ZWO ZWO 7nm H-Alpha Narrowband Filter
From $154 CAD $183 CAD
In stock
Choose options
Askar Filter Filter Package (C1 + C2) Askar Colour Magic C Duo-Band Filters - 2" MountedAskar Filter C1 (OIII + Ha) Askar Colour Magic C Duo-Band Filters - 2" Mounted
Askar Askar Colour Magic C Duo-Band Filters - 2" Mounted
From $171 CAD
In stock
Choose options
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
$175 CAD
In stock
Save $30
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 $176 CAD $206 CAD
In stock
Choose options
Save $37
Optolong Filter 1.25" Optolong Hydrogen-Alpha 7nm FilterOptolong Filter 31mm Optolong Hydrogen-Alpha 7nm Filter
Optolong Optolong Hydrogen-Alpha 7nm Filter
From $189 CAD $226 CAD
In stock
Choose options
Save $10
Optolong Filter Optolong O-III 6.5nm Filter
Optolong Optolong O-III 6.5nm Filter
From $189 CAD $199 CAD
In stock
Choose options
Astronomik Filter 1.25" (M28.5) Astronomik Hydrogen-Alpha 12nm CCD FilterAstronomik Filter Clip-Filter EOS APS-C Astronomik Hydrogen-Alpha 12nm CCD Filter
Astronomik Astronomik Hydrogen-Alpha 12nm CCD Filter
From $192 CAD
In stock
Choose options
Baader Planetarium Accessory Baader S-II 1¼" Narrowband-Filter (6.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader S-II 1¼" Narrowband-Filter (6.5nm) – CMOS-optimized
Baader Planetarium Baader S-II 1¼" Narrowband-Filter (6.5nm) – CMOS-optimized
$196 CAD
Back Order
Baader Planetarium Accessory Baader O-III 1¼" Narrowband-Filter (6.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader O-III 1¼" Narrowband-Filter (6.5nm) – CMOS-optimized
Baader Planetarium Baader O-III 1¼" Narrowband-Filter (6.5nm) – CMOS-optimized
$198 CAD
Back Order
Baader Planetarium Filter Baader H-alpha Ultra-Narrowband-Filters (6.5nm) – CMOS Optimized
Baader Planetarium Baader H-alpha Ultra-Narrowband-Filters (6.5nm) – CMOS Optimized
$203 CAD
In stock
Svbony Filter SvBony SV240 Multi-Narrowband Filter Galaxy & Nebula NIR Near-infrared Light Pollution 2" Mounted - W9191ASvbony Filter SvBony SV240 Multi-Narrowband Filter Galaxy & Nebula NIR Near-infrared Light Pollution 2" Mounted - W9191A
Svbony SvBony SV240 Multi-Narrowband Filter Galaxy & Nebula NIR Near-infrared Light Pollution 2" Mounted - W9191A
$203 CAD
In stock
Baader Planetarium Accessory Baader S-II 31mm Narrowband-Filter (6.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader S-II 31mm Narrowband-Filter (6.5nm) – CMOS-optimized
Baader Planetarium Baader S-II 31mm Narrowband-Filter (6.5nm) – CMOS-optimized
$207 CAD
Back Order
Baader Planetarium Accessory Baader O-III 31mm Narrowband-Filter (6.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader O-III 31mm Narrowband-Filter (6.5nm) – CMOS-optimized
Baader Planetarium Baader O-III 31mm Narrowband-Filter (6.5nm) – CMOS-optimized
$209 CAD
Back Order
Save $41
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 $213 CAD $254 CAD
In stock
Choose options