Telescope Filters - Convenient & Affordable Telescope Filters Online – Page 18

Most orders placed by 1PM ET will be shipped the same day ‎ ‎ | ‎ ‎ Click for Hours, Location & Customer Service

511 products

Showing 409 - 432 of 511 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 409 - 432 of 511 products

Baader Planetarium Accessory Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 31mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 31mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 31mm – CMOS-optimized (H-alpha / O-III / S-II)

$1,203 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)

$1,445 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 2" – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 2" – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 2" – CMOS-optimized (H-alpha / O-III / S-II)

$1,641 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)

$1,774 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 50x50mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 50x50mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 50x50mm – CMOS-optimized (H-alpha / O-III / S-II)

$1,892 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 65x65mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 65x65mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm f/3 Ultra-Highspeed-Filterset 65x65mm – CMOS-optimized (H-alpha / O-III / S-II)

$2,457 CAD

Back Order

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)

$609 CAD

Back Order

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)

$643 CAD

Back Order

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)

$728 CAD

Back Order

Baader Planetarium Accessory Baader 6.5nm Narrowband-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 6.5nm Narrowband-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 6.5nm Narrowband-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)

$1,174 CAD

Back Order

Baader Planetarium Accessory Baader 6.5nm Narrowband-Filterset 50x50mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 6.5nm Narrowband-Filterset 50x50mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 6.5nm Narrowband-Filterset 50x50mm – CMOS-optimized (H-alpha / O-III / S-II)

$1,251 CAD

Back Order

Baader Planetarium Accessory Baader 6.5nm Narrowband-Filterset 65x65mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 6.5nm Narrowband-Filterset 65x65mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 6.5nm Narrowband-Filterset 65x65mm – CMOS-optimized (H-alpha / O-III / S-II)

$1,589 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm Ultra-Narrowband-Filterset 1¼" – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm Ultra-Narrowband-Filterset 1¼" – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm Ultra-Narrowband-Filterset 1¼" – CMOS-optimized (H-alpha / O-III / S-II)

$1,126 CAD

Back Order

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

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

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

$1,197 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm Ultra-Narrowband-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm Ultra-Narrowband-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm Ultra-Narrowband-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)

$1,440 CAD

Back Order

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

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

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

$1,635 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm Ultra-Narrowband-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm Ultra-Narrowband-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm Ultra-Narrowband-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)

$1,769 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm Ultra-Narrowband-Filterset 65x65mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm Ultra-Narrowband-Filterset 65x65mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm Ultra-Narrowband-Filterset 65x65mm – CMOS-optimized (H-alpha / O-III / S-II)

$2,451 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 1¼" – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 1¼" – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 1¼" – CMOS-optimized (H-alpha / O-III / S-II)

$1,151 CAD

In stock

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 36mm – CMOS-optimized (H-alpha / O-III / S-II)

$1,464 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 50.4mm – CMOS-optimized (H-alpha / O-III / S-II)

$1,863 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 50x50mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 50x50mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 50x50mm – CMOS-optimized (H-alpha / O-III / S-II)

$1,986 CAD

Back Order

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 65x65mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Accessory Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 65x65mm – CMOS-optimized (H-alpha / O-III / S-II)

Baader Planetarium Baader 3.5 / 4nm f/2 Ultra-Highspeed-Filterset 65x65mm – CMOS-optimized (H-alpha / O-III / S-II)

$2,607 CAD

Back Order

Baader Planetarium Accessory Baader SLOAN/SDSS (ugriz) Filterset 1¼" – photometric

Baader Planetarium Accessory Baader SLOAN/SDSS (ugriz) Filterset 1¼" – photometric

Baader Planetarium Baader SLOAN/SDSS (ugriz) Filterset 1¼" – photometric

$1,158 CAD

Back Order

Previous Page 18 / 22Next

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.