Telescope Filters - Convenient & Affordable Telescope Filters Online – Page 2

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490 products

Showing 25 - 48 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 25 - 48 of 490 products

Save $19

ZWO Filter 1.25" ZWO "NEW" LRGB 4 Piece Filter Set

ZWO Filter 31mm ZWO "NEW" LRGB 4 Piece Filter Set

ZWO ZWO "NEW" LRGB 4 Piece Filter Set

From $188 CAD $207 CAD

In stock

Telescopes Canada Accessory Telescope Filter Drawer System with 2 Drawers

Telescopes Canada Accessory Telescope Filter Drawer System with 2 Drawers

Telescopes Canada Telescope Filter Drawer System with 2 Drawers

$129 CAD

In stock

Svbony Filter Svbony CLS 1.25"/2"/EOS-C Light Pollution Broadband Filters - F9155

Svbony Filter EOS-C Svbony CLS 1.25"/2"/EOS-C Light Pollution Broadband Filters - F9155

Svbony Svbony CLS 1.25"/2"/EOS-C Light Pollution Broadband Filters - F9155

From $31 CAD

In stock

ZWO Filter Wheel ZWO New EFW 7x36mm 7 position 36mm Electronic Filter Wheel - ZWO EFW-7x36-II

ZWO Filter Wheel ZWO New EFW 7x36mm 7 position 36mm Electronic Filter Wheel - ZWO EFW-7x36-II

ZWO ZWO New EFW 7x36mm 7 position 36mm Electronic Filter Wheel - ZWO EFW-7x36-II

$425 CAD

Only 2 units left

Save $14

ZWO Accessory ZWO New Filter Drawer for EOS Lens - ZWO-FD-EOS

ZWO Accessory ZWO New Filter Drawer for EOS Lens - ZWO-FD-EOS

ZWO ZWO NEW Filter Drawer for EOS Lens - ZWO-FD-EOS

$125 CAD $139 CAD

More on the way

Celestron Accessory Celestron EclipSmart Solar Filter - PS127EQ / SSE DX 130 / 130SLT - 94222

Celestron Accessory Celestron EclipSmart Solar Filter - PS127EQ / SSE DX 130 / 130SLT - 94222

Celestron Celestron EclipSmart Solar Filter - PS127EQ / SSE DX 130 / 130SLT - 94222

$43 CAD

In stock

Save $11

ZWO Accessory ZWO New M54 Filter Drawer System with 1 Drawer - ZWO-FD-54-II

ZWO Accessory ZWO New M54 Filter Drawer System with 1 Drawer - ZWO-FD-54-II

ZWO ZWO NEW M54 Filter Drawer System with 1 Drawer - ZWO FD-54-II

$100 CAD $111 CAD

Back Order

Antlia Filter Drawer Antlia Filter Drawer System and Adapters

Antlia Filter Drawer Antlia Filter Drawer System and Adapters

Antlia Antlia Filter Drawer System and Adapters

From $11 CAD

In stock

Optolong Filter 1.25" Optolong UHC Ultra-High Contrast Light Pollution Filter

Optolong Filter Optolong UHC Ultra-High Contrast Light Pollution Filter

Optolong Optolong UHC Ultra-High Contrast Light Pollution Filter

From $69 CAD

In stock, 47 units

Astronomik Filter 1.25" (M28.5) Astronomik CLS CCD Light Pollution Filter

Astronomik Filter 31mm, Protective Ring/Unthreaded Astronomik CLS CCD Light Pollution Filter

Astronomik Astronomik CLS CCD Light Pollution Filter

From $136 CAD

In stock

Astronomik Filter 2" (M48) Astronomik Dark Filter

Astronomik Filter 1.25" (M28.5) Astronomik Dark Filter

Astronomik Astronomik Dark Filter

From $27 CAD

In stock

Svbony Filter Svbony SV220 Dual-Band 7nm Nebula Filter - W9172B

Svbony Filter Svbony SV220 Dual-Band 7nm Nebula Filter - W9172B

Svbony Svbony SV220 Dual-Band 7nm H-Alpha & OIII Nebula Filter - W9172

From $104 CAD

In stock

Save $2

ZWO Accessory ZWO T2-1.25" Filter Adapter - ZWO-T2-1.25-3

ZWO Accessory ZWO T2-1.25" Filter Adapter - ZWO-T2-1.25-3

ZWO ZWO T2-1.25" Filter Adapter - ZWO T2-1.25-3

$20 CAD $22 CAD

In stock

Celestron Filter Celestron Lunar and Planetary Filter Set, 1.25" - 94119-10

Celestron Filter Celestron Lunar and Planetary Filter Set, 1.25" - 94119-10

Celestron Celestron Lunar and Planetary Filter Set, 1.25" - 94119-10

$78 CAD

In stock

Save $37

ZWO Filter Wheel ZWO 8 position 1.25"/31mm Electronic Filter Wheel - ZWO-EFW-8x1.25

ZWO Filter Wheel ZWO 8 position 1.25"/31mm Electronic Filter Wheel - ZWO-EFW-8x1.25

ZWO ZWO 8 position 1.25"/31mm Electronic Filter Wheel - ZWO-EFW-8x1.25

$379 CAD $416 CAD

In stock, 6 units

Optolong Filter Optolong L-Ultimate 3nm Dual Narrowband Filter (H-Alpha and O-III)

Optolong Filter Optolong L-Ultimate 3nm Dual Narrowband Filter (H-Alpha and O-III)

Optolong Optolong L-Ultimate 3nm Dual Narrowband Filter (H-Alpha and O-III)

From $410 CAD

In stock

Astronomik Filter 2" (M48) Astronomik Deep-Sky RGB Filters

Astronomik Filter 1.25" (M28.5) Astronomik Deep-Sky RGB Filters

Astronomik Astronomik Deep-Sky RGB Filters

From $149 CAD

In stock

Astronomik Filter 1.25" (M28.5) Astronomik OIII Visual Nebula Filter

Astronomik Filter Astronomik OIII Visual Nebula Filter

Astronomik Astronomik OIII Visual Nebula Filter

From $136 CAD

In stock

Svbony Filter Svbony 1.25" Lunar, CPL and Five Color Planetary Filter Kit - F9135A

Svbony Filter Svbony 1.25" Lunar, CPL and Five Color Planetary Filter Kit - F9135A

Svbony Svbony 1.25" Lunar, CPL and Five Color Planetary Filter Kit - F9135A

$38 CAD

In stock

Antlia Filter 1.25" Antlia LRGB-V Pro Series Filters

Antlia Filter 31mm Unmounted Antlia LRGB-V Pro Series Filters

Antlia Antlia LRGB-V Pro Series Filters

From $420 CAD

In stock

Save $49

ZWO Filter 1.25" ZWO 3 Piece Ha/SII/OIII 7nm Filter Set

ZWO Filter 31mm ZWO 3 Piece Ha/SII/OIII 7nm Filter Set

ZWO ZWO 3 Piece Ha/SII/OIII 7nm Filter Set

From $468 CAD $517 CAD

In stock

Antlia Filter 1.25" Antlia 3nm Narrowband Oxygen III (OIII) Pro Filters

Antlia Filter 31mm Unmounted Antlia 3nm Narrowband Oxygen III (OIII) Pro Filters

Antlia Antlia 3nm Narrowband Oxygen III (OIII) Pro Filters

From $357 CAD

In stock

Optolong Filter Optolong Clear Focusing Filter

Optolong Filter Optolong Clear Focusing Filter

Optolong Optolong Clear Focusing Filter

From $34 CAD

In stock

Optolong Filter Optolong L-Quad Enhance Filter (L-QEF) Quad Bandpass Light Pollution Suppression Filter

Optolong 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

$278 CAD

In stock

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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!

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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!

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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.