Telescope Filters - Convenient & Affordable Telescope Filters Online – Page 11

CLOSED AUG 1ST TO 3RD - Most orders placed by 1PM EST will be shipped the same day ‎ ‎ | ‎ ‎ Click for Hours, Location & Customer Service

490 products

Showing 241 - 264 of 490 products

See More of the Universe — Discover Astronomy Filters at Telescopes Canada

Unlock the full beauty of the night sky with premium astronomy filters from Telescopes Canada. Whether you’re observing the Moon, exploring planets, or revealing faint deep-sky details, the right filter can transform your view and help you capture celestial wonders in stunning color and contrast.

From light pollution filters to narrowband imaging and color filters, we carry top brands trusted by amateur and professional astronomers alike. Every filter is backed by expert guidance, full Canadian warranty, and fast nationwide shipping.

Showing 241 - 264 of 490 products

Baader Planetarium Accessory Baader H-alpha 50x50mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized

Baader Planetarium Baader H-alpha 50x50mm f/2 Highspeed-Filter (6.5nm) – CMOS-optimized

$462 CAD

In stock

Baader Planetarium Accessory Baader S-II 2" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized

Baader Planetarium Accessory Baader S-II 2" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized

Baader Planetarium Baader S-II 2" f/2 Ultra-Highspeed-Filter (4nm) – CMOS-optimized

$578 CAD

In stock

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 31mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 31mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 31mm – CMOS-optimized (H-alpha / O-III / S-II)

$1,222 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 2" – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 2" – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 2" – CMOS-optimized (H-alpha / O-III / S-II)

$1,723 CAD

In stock

Baader Planetarium Accessory RGB-R 36mm Filter – CMOS-optimized

Baader Planetarium Accessory RGB-R 36mm Filter – CMOS-optimized

Baader Planetarium Baader RGB-R 36mm Filter – CMOS-optimized

$166 CAD

In stock

Save $89

ZWO Filter Wheel ZWO 7x50mm Square Filter Wheel - Updated Version - ZWO-EFW-7x50

ZWO Filter Wheel ZWO 7x50mm Square Filter Wheel - Updated Version - ZWO-EFW-7x50

ZWO ZWO 7x50mm Square Filter Wheel - Updated Version - ZWO-EFW-7x50

$760 CAD $849 CAD

Back Order

Celestron Filter Celestron UHC/LPR Filter - 2" - 94124

Celestron Celestron UHC/LPR Filter - 2" - 94124

$173 CAD

In stock

Askar Filter Askar Multifunctional Filter Drawer - ASK-MULTI-FD

Askar Askar Multifunctional Filter Drawer - ASK-MULTI-FD

$229 CAD

In stock

Askar Filter Askar Color Magic SHO (SII, Ha, OIII) 3nm Narrowband Imaging Filter Set - 2" Mounted

Askar 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

In stock

Askar Focal Reducer Askar Color Magic Duo-Narrowband 3nm Ha & OIII Imaging Filter - 2" Mounted

Askar 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 – Photometric

Baader Planetarium Filter Baader UBVRI Bessel I-Filter – Photometric

Baader Planetarium Baader UBVRI Bessel I-Filter – Photometric

From $231 CAD

Back Order

Save $93

Baader Planetarium Filter Baader f/2 Highspeed-Filter H-alpha 1.25" - 2459393 (Discontinued)

Baader Planetarium Filter Baader f/2 Highspeed-Filter H-alpha 1.25" - 2459393 (Discontinued)

Baader Planetarium Baader f/2 Highspeed-Filter H-alpha 1.25" - 2459393 (Discontinued)

$233 CAD $326 CAD

Sold out

Optolong Filter Optolong O-III 6.5nm Filter

Optolong Optolong O-III 6.5nm Filter

From $199 CAD

In stock

William Optics Filter William Optics STC Ultra Layer® Astro Multispectra Fiter 48mm - YF-STC-M48

William 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

$328 CAD

Back Order

Explore Scientific Filter Explore Scientific Nebula Filter 1.25" H-Beta - 310235

Explore Scientific Filter Explore Scientific Nebula Filter 1.25" H-Beta - 310235

Explore Scientific Explore Scientific Nebula Filter 1.25" H-Beta - 310235

$179 CAD

In stock

Celestron Filters Celestron Origin Filter Drawer Kit - 93681

Celestron Filters Celestron Origin Filter Drawer Kit - 93681

Celestron Celestron Origin Filter Drawer Kit - 93681

$54 CAD

Back Order

Svbony Filters Svbony Filter Drawer for OAG SV226P - W9184D

Svbony Filters Svbony Filter Drawer for OAG SV226P - W9184D

Svbony Svbony Filter Drawer for OAG SV226P - W9184D

$62 CAD

Back Order

Save $17

ZWO Filters 2" ZWO 7nm SII Narrowband Filters

ZWO Filters 1.25" ZWO 7nm SII Narrowband Filters

ZWO ZWO 7nm SII Narrowband Filters

From $164 CAD $181 CAD

Back Order

Baader Planetarium Accessory Baader UFC S70/C8 Hyperstar/SC/HD Adapter - with S70 Dovetail - 2459131

Baader Planetarium Accessory Baader UFC S70/C8 Hyperstar/SC/HD Adapter - with S70 Dovetail - 2459131

Baader Planetarium Baader UFC S70/C8 Hyperstar/SC/HD Adapter - with S70 Dovetail - 2459131

$107 CAD

Back Order

Baader Planetarium Accessory Baader UFC S70/C11/C9.25 Hyperstar/SC/HD Adapter - with S70 Dovetail - 2459132

Baader Planetarium Accessory Baader UFC S70/C11/C9.25 Hyperstar/SC/HD Adapter - with S70 Dovetail - 2459132

Baader Planetarium Baader UFC S70/C11/C9.25 Hyperstar/SC/HD Adapter - with S70 Dovetail - 2459132

$114 CAD

Back Order

Baader Planetarium Accessory Baader UFC S70/C14 Hyperstar/SC/HD Adapter - with S70 Dovetail - 2459133

Baader Planetarium Accessory Baader UFC S70/C14 Hyperstar/SC/HD Adapter - with S70 Dovetail - 2459133

Baader Planetarium Baader UFC S70/C14 Hyperstar/SC/HD Adapter - with S70 Dovetail - 2459133

$130 CAD

Back Order

Baader Planetarium Accessory Baader UFC FLI Adapter, connects to FLI-cameras, for ML and PL Flange - with mounting plate for UFC-BASE - 2459122

Baader Planetarium Baader UFC FLI Adapter, connects to FLI-cameras, for ML and PL Flange - with mounting plate for UFC-BASE - 2459122

$140 CAD

Back Order

Baader Planetarium Accessory Baader UFC 1.25" AUX Mounted Filter-Holder (requires Filter Slider UFC-RD50 #2459113) - 2459153

Baader Planetarium Accessory Baader UFC 1.25" AUX Mounted Filter-Holder (requires Filter Slider UFC-RD50 #2459113) - 2459153

Baader Planetarium Baader UFC 1.25" AUX Mounted Filter-Holder (requires Filter Slider UFC-RD50 #2459113) - 2459153

$17 CAD

In stock

Baader Planetarium Accessory Baader UFC D 31mm AUX Filter-Holder (Requires #2459113) - 2459151

Baader Planetarium Accessory Baader UFC D 31mm AUX Filter-Holder (Requires #2459113) - 2459151

Baader Planetarium Baader UFC D 31mm AUX Filter-Holder (Requires #2459113) - 2459151

$17 CAD

Back Order

Previous Page 11 / 21Next

Lifetime Technical Support

Every purchase includes ongoing help with product configuration, assembly and setup, and troubleshooting (hardware/software). While manufacturer warranties still govern repairs, replacements and parts, we’ll guide you through diagnostics and assist with warranty claims.

Priority Customer Service

Whether you're just starting out or diving deeper into astronomy, our friendly Product Support Specialists are ready to guide you every step of the way.
✨ Need a hand? Contact Us - we’d love to hear from you!

Proudly Canadian

We’re 100% owned and operated right here in Ontario -and we love supporting fellow Canadian manufacturers. Explore our collection of homegrown products and trusted Canadian brands!

Promotes Sustainability

We are committed to fostering a sustainable future by promoting environmentally responsible practices within our business and astronomy. We use recyclable shipping materials and re-use non-recyclable materials wherever possible.