Filters

184 products

Showing 121 - 144 of 184 products

Showing 121 - 144 of 184 products
View
Baader Planetarium Accessory Baader O-III 50.4mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimizedBaader Planetarium Accessory Baader O-III 50.4mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Baader Planetarium Baader O-III 50.4mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
$514 CAD
Back-ordered
Baader Planetarium Accessory Baader O-III 50.4mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimizedBaader Planetarium Accessory Baader O-III 50.4mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Baader Planetarium Baader O-III 50.4mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
$516 CAD
Back-ordered
Baader Planetarium Accessory Baader 6.5nm Narrowband-Filterset 1¼" – CMOS-optimized (H-alpha / O-III / S-II)Baader Planetarium Accessory Baader 6.5nm Narrowband-Filterset 1¼" – CMOS-optimized (H-alpha / O-III / S-II)
Baader Planetarium Baader 6.5nm Narrowband-Filterset 1¼" – CMOS-optimized (H-alpha / O-III / S-II)
$518 CAD
Back-ordered
Baader Planetarium Accessory Baader S-II 50.4mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimizedBaader Planetarium Accessory Baader S-II 50.4mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Baader Planetarium Baader S-II 50.4mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
$520 CAD
Back-ordered
Baader Planetarium Accessory Baader S-II 50.4mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimizedBaader Planetarium Accessory Baader S-II 50.4mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Baader Planetarium Baader S-II 50.4mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
$522 CAD
Back-ordered
Baader Planetarium Accessory Baader O-III 50x50mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimizedBaader Planetarium Accessory Baader O-III 50x50mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Baader Planetarium Baader O-III 50x50mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
$526 CAD
Back-ordered
Baader Planetarium Accessory Baader S-II 50x50mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimizedBaader Planetarium Accessory Baader S-II 50x50mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Baader Planetarium Baader S-II 50x50mm f/3 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
$530 CAD
Back-ordered
Baader Planetarium Accessory Baader O-III 50x50mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimizedBaader Planetarium Accessory Baader O-III 50x50mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Baader Planetarium Baader O-III 50x50mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
$532 CAD
Back-ordered
Baader Planetarium Accessory Baader S-II 50x50mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimizedBaader Planetarium Accessory Baader S-II 50x50mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
Baader Planetarium Baader S-II 50x50mm f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized
$532 CAD
Back-ordered
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
$546 CAD
In stock
Baader Planetarium Accessory Baader 6.5nm Narrowband-Filterset 31mm – CMOS-optimized (H-alpha / O-III / S-II)Baader Planetarium Accessory Baader 6.5nm Narrowband-Filterset 31mm – CMOS-optimized (H-alpha / O-III / S-II)
Baader Planetarium Baader 6.5nm Narrowband-Filterset 31mm – CMOS-optimized (H-alpha / O-III / S-II)
$546 CAD
Back-ordered
Antlia Filters Antlia ALP-T Dual Band 3nm SII & OIII 3nm 2 Inch Mounted Filter - ALP-T-3NM-SII/OIII-2
Antlia Antlia ALP-T Dual Band 3nm SII & OIII 3nm 2 Inch Mounted Filter - ALP-T-3NM-SII/OIII-2
$546 CAD
In stock
Baader Planetarium Accessory Baader H-alpha 50.4mm f/3 Ultra-Highspeed-Filter (3.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader H-alpha 50.4mm f/3 Ultra-Highspeed-Filter (3.5nm) – CMOS-optimized
Baader Planetarium Baader H-alpha 50.4mm f/3 Ultra-Highspeed-Filter (3.5nm) – CMOS-optimized
$554 CAD
Back-ordered
Baader Planetarium Filter Baader 6.5nm f/2 Highspeed Filter Set – CMOS-Optimized (H-alpha / O-III / S-II)Baader Planetarium Filter Baader 6.5nm f/2 Highspeed Filter Set – CMOS-Optimized (H-alpha / O-III / S-II)
Baader Planetarium Baader 6.5nm f/2 Highspeed Filter Set – CMOS-Optimized (H-alpha / O-III / S-II)
From $558 CAD
In stock
Choose options
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 2" L1 Dual - Combo Set (L-Quad Enhance and L-Para) - OPT-L1-DUAL
$558 CAD
Back-ordered
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
$575 CAD
Back-ordered
Vaonis Telescope Accessories Vaonis Vespera Dual Band Filter - AC022Vaonis Telescope Accessories Vaonis Vespera Dual Band Filter - AC022
Vaonis Vaonis Vespera Dual Band Filter - AC022
$575 CAD
Special order
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 $588 CAD
In stock
Choose options
ZWO Filter 1.25" ZWO 3 Piece Ha/SII/OIII 7nm Filter SetZWO Filter 31mm ZWO 3 Piece Ha/SII/OIII 7nm Filter Set
ZWO ZWO 3 Piece Ha/SII/OIII 7nm Filter Set
From $591 CAD
In stock
Choose options
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
Sold out
Baader Planetarium Accessory Baader 6.5nm Narrowband-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)Baader Planetarium Accessory Baader 6.5nm Narrowband-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)
Baader Planetarium Baader 6.5nm Narrowband-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)
$619 CAD
Back-ordered
Baader Planetarium Accessory Baader H-alpha 50x50mm f/3 Ultra-Highspeed-Filter (3.5nm) – CMOS-optimizedBaader Planetarium Accessory Baader H-alpha 50x50mm f/3 Ultra-Highspeed-Filter (3.5nm) – CMOS-optimized
Baader Planetarium Baader H-alpha 50x50mm f/3 Ultra-Highspeed-Filter (3.5nm) – CMOS-optimized
$634 CAD
Back-ordered
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
$640 CAD
In stock
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
$640 CAD
In stock