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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 - 28 of 28 products

Save $41

Optolong Filter Optolong 2" L2 Dual Combo Set (L-eXtreme and L-Synergy) - OPT-L2-DUAL

Optolong Optolong 2" L2 Dual Combo Set (L-eXtreme and L-Synergy) - OPT-L2-DUAL

$752 CAD $793 CAD

In stock

Optolong Filter Optolong O-III 6.5nm Filter

Optolong Optolong O-III 6.5nm Filter

From $199 CAD

In stock

Optolong 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

In stock

Optolong Filter Optolong 3nm Oxygen-III Filter

Optolong Optolong 3nm Oxygen-III Filter

From $481 CAD

In stock

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

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.

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!

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!

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.

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.

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!

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!

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.

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!