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Please note that we will be closed tomorrow, June 24, due to Saint-Jean-Baptiste Day. We will resume our regular business hours on Thursday, June 25, 2026.
Please note that we will be closed tomorrow, June 24, due to Saint-Jean-Baptiste Day. We will resume our regular business hours on Thursday, June 25, 2026.

Solar filters for telescopes

Solar filters for telescopes are essential for safely observing or photographing the Sun. First and foremost, you will need one if you don't want to damage your eyes. These filters greatly reduce light, filter out ultraviolet and infrared rays, and protect your instrument, allowing you to enjoy the Sun safely.

There are different types of solar filters, depending on what you want to observe. Some are placed directly in front of the telescope's lens or aperture, while others can be attached to the eyepiece. Front filters are generally preferred to ensure safety and optimal image quality. With these accessories, it is possible to study the photosphere, sunspots, granules, or even follow planetary transits and partial eclipses.

Whether you are an amateur observer or a passionate astrophotographer, solar filters for telescopes allow you to capture accurate images of the Sun and observe its phenomena with maximum safety and comfort. 

Explore our selection to find the right solar filter for your telescope and solar observation projects, as well as other accessories such as solar wedges, solar telescopes, Quark filters, double-stack filters, and standard filters to complete your equipment and tailor your solar observations to your needs.

Filters
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Celestron EclipSmart Solar Filter for StarSense Explorer LT 114AZ and PowerSeeker 114EQ Telescopes (94248) - Astronomy Plus
Celestron EclipSmart Solar Filter for StarSense Explorer LT 114AZ and PowerSeeker 114EQ Telescopes (94248) - Astronomy Plus
$42.00 - $42.00
$42.00
$42.00 - $42.00
$42.00

Celestron EclipSmart Solar Filter for StarSense Explorer LT 114AZ and PowerSeeker 114EQ Telescopes (94248)

Celestron

Celestron EclipSmart Solar Filter for StarSense Explorer LT 114AZ and PowerSeeker 114EQ Telescopes ISO-CERTIFIED SOLAR TELESCOPE FILTER: Certifie...

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$42.00 - $42.00
$42.00
$42.00 - $42.00
$42.00
Lunt LS40FHa Front Mounted 40mm Double Stack Filter (LS40FHa) - Astronomy Plus
Lunt LS40FHa Front Mounted 40mm Double Stack Filter (LS40FHa) - Astronomy Plus
$973.00 - $973.00
$973.00
$973.00 - $973.00
$973.00

Lunt LS40FHa Front Mounted 40mm Double Stack Filter (LS40FHaP) - New Gen Etalon

Lunt

Lunt 40mm Front Mounted Double Stack Filter - New Gen Etalon It’s finally available! The Lunt Solar 40mm Double Stack Hydrogen-alpha Filter. LS40F...

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$973.00 - $973.00
$973.00
$973.00 - $973.00
$973.00
$415.00 - $415.00
$415.00
$415.00 - $415.00
$415.00

Baader Calcium GEN-II 1¼" with LPFC (CaKII)

Baader Planetarium

Baader Calcium GEN-II 1¼" with LPFC Single filter (unstacked!), shows finest solar details in calcium K (Cak) lightFor solar photography only in c...

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$415.00 - $415.00
$415.00
$415.00 - $415.00
$415.00
ZWO Seestar S50 Solar Filter (SS-SOLAR50) ZWO
ZWO Seestar S50 Solar Filter (SS-SOLAR50) ZWO
$29.00 - $29.00
$29.00
$29.00 - $29.00
$29.00

ZWO Seestar S50 Solar Filter (SS-SOLAR50)

ZWO

ZWO Seestar S50 Solar Filter Providing the ZWO Seestar with the opportunity to image the sun is this ZWO Black Polymer Solar Filter. Made of high q...

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$29.00 - $29.00
$29.00
$29.00 - $29.00
$29.00
Player One Photosphere 10nm 1.25″ Filter S-series (PS125) - Astronomy Plus
Player One Photosphere 10nm 1.25″ Filter S-series (PS125) - Astronomy Plus
$139.00 - $139.00
$139.00
$139.00 - $139.00
$139.00

Player One Photosphere 7.5nm 1.25″ Filter E-series (PS125E)

Player One

Player One Photosphere 7.5nm 1.25″ Filter E-series  Player One E-series is an upgrade series of S-series, using high quality optical glass substrat...

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$139.00 - $139.00
$139.00
$139.00 - $139.00
$139.00
Daystar Energy Rejection Filter for Refractor- ERF - Astronomy Plus
$770.00 - $2,303.00
$770.00 - $2,303.00
$770.00 - $2,303.00
$770.00

Daystar Energy Rejection Filter for Refractor- ERF

Daystar

Daystar Energy Rejection Filter ERF for Refractor The Daystar Energy Rejection Filter for Refractor reduces the heat load on your filter assembly b...

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$770.00 - $2,303.00
$770.00 - $2,303.00
$770.00 - $2,303.00
$770.00
$637.00 - $637.00
$637.00
$637.00 - $637.00
$637.00

Shelyak SOL'EX Optical Kit [New Genl] (ES0036)

Shelyak

Shelyak SOL’EX OPTICAL KIT  With Sol’Ex (Solar Explorer), build your own 3D-printed solar imaging instrument. Please note: this kit contains on...

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$637.00 - $637.00
$637.00
$637.00 - $637.00
$637.00
Daystar Quark Gemini Chromosphere / Prominence Switchable H-alpha Filter (DSZ4G) - Astronomy Plus
Daystar Quark Gemini Chromosphere / Prominence Switchable H-alpha Filter (DSZ4G) - Astronomy Plus
$3,633.00 - $3,633.00
$3,633.00
$3,633.00 - $3,633.00
$3,633.00

Daystar Quark Gemini Chromosphere / Prominence Switchable H-alpha Filter (DSZ4G)

Daystar

Daystar Quark Gemini Chromosphere / Prominence Switchable H-alpha Filter The Daystar Quark Gemini brings the best contains both Prominence and Chro...

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$3,633.00 - $3,633.00
$3,633.00
$3,633.00 - $3,633.00
$3,633.00
Save up to $151.00 Save $0.00
$880.00 - $1,130.00
$880.00 - $1,130.00
$880.00
$839.00 - $979.00
$839.00 - $979.00
$839.00

Vaonis Filter Bundle Sale - Limited Time Only

Vaonis

Vaonis Filter Bundle Sale - Limited Time Only For a limited time only ! Two available filter bundles of the popular filters from Vaonis.    Vaonis ...

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$880.00 - $1,130.00
$880.00 - $1,130.00
$880.00
$839.00 - $979.00
$839.00 - $979.00
$839.00
Save up to $151.00 Save $0.00
$129.00 - $314.00
$129.00 - $314.00
$129.00 - $314.00
$129.00

Baader ASTF: AstroSolar Telescope Filter OD 5.0 (80mm - 280mm)

Baader Planetarium

ASTF: AstroSolar Telescope Filter OD 5.0 (80mm - 280mm) ASTF – Baader Solar Filter for all high-end Telescopes (Refractors, Reflectors, CATs) This...

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$129.00 - $314.00
$129.00 - $314.00
$129.00 - $314.00
$129.00
$53.00 - $134.00
$53.00 - $134.00
$53.00 - $134.00
$53.00

Baader AstroSolar Photo Film OD 3.8

Baader Planetarium

Baader AstroSolar Photo Film OD 3.8 AstroSolar Photo Film (imaging only), telescope quality, Optical Density OD = 3.8 Digital solar imaging at hig...

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$53.00 - $134.00
$53.00 - $134.00
$53.00 - $134.00
$53.00
Antlia Solar Discover Dualband Energy Rejection Filter (ERF) Antlia
Antlia Solar Discover Dualband Energy Rejection Filter (ERF) Antlia
Save up to $161.65 Save $0.00
$120.00 - $3,233.00
$120.00 - $3,233.00
$120.00
$114.00 - $3,071.35
$114.00 - $3,071.35
$114.00

Antlia Solar Discover Dualband Energy Rejection Filter (ERF)

Antlia

Antlia Solar Discover Dualband Energy Rejection Filter (ERF) The Antlia Dualband Solar Energy Rejection Filter is designed by combining Hydrogen Al...

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$120.00 - $3,233.00
$120.00 - $3,233.00
$120.00
$114.00 - $3,071.35
$114.00 - $3,071.35
$114.00
Save up to $161.65 Save $0.00
Player One ERF 2″ Filter S-series for Quark Chromosphere (ERF2) Player One
$125.00 - $125.00
$125.00
$125.00 - $125.00
$125.00

Player One ERF 2″ Filter S-series for Quark Chromosphere (ERF2)

Player One

Player One ERF 2″ Filter S-series for Quark Chromosphere Player One S series filter using high quality optical glass substrate and multi-layer comp...

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$125.00 - $125.00
$125.00
$125.00 - $125.00
$125.00
iOptron 70mm Adjustable Solar Filter (TSF70) iOptron
iOptron 70mm Adjustable Solar Filter (TSF70) iOptron
$69.00 - $69.00
$69.00
$69.00 - $69.00
$69.00

iOptron 70mm Adjustable Solar Filter (TSF70)

iOptron

iOptron 70mm Adjustable Solar Filter ISO-12312-2 CertifiedWhite light solar filter with SolarLite solar film from Thousand Oaks Optical which has t...

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$69.00 - $69.00
$69.00
$69.00 - $69.00
$69.00
Lunt Double Stack Filter for LS130MT & LS152THa Telescopes Lunt
$4,193.00 - $4,193.00
$4,193.00
$4,193.00 - $4,193.00
$4,193.00

Lunt Double Stack Filter for LS130MT & LS152THa Telescopes

Lunt

Lunt Double Stack Filter for LS130MT & LS152THa Telescopes Double stacking provides a truly enhanced, high definition view of the Sun’s surface...

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$4,193.00 - $4,193.00
$4,193.00
$4,193.00 - $4,193.00
$4,193.00
$808.00 - $808.00
$808.00
$808.00 - $808.00
$808.00

Shelyak Star'ex High Resolution Optical Kit New Gen(ES0038)

Shelyak

Shelyak Star'ex high Resolution Optical Kit  With Star’Ex (Star’Explorer), build your first High Resolution (HR) spectrograph to observe the spectr...

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$808.00 - $808.00
$808.00
$808.00 - $808.00
$808.00
Lunt High Resolution H-alpha Filter for DS Modules - Astronomy Plus
Lunt High Resolution H-alpha Filter for DS Modules - Astronomy Plus
$349.00 - $377.00
$349.00 - $377.00
$349.00 - $377.00
$349.00

Lunt High Resolution H-alpha Filter for DS Modules

Lunt

Lunt High Resolution H-alpha Filter for DS Modules Available Options: HRG for DSII Unit, LS80THa HRG for DSII Unit, LS100THa HRG for SFPT, LS80MT/...

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$349.00 - $377.00
$349.00 - $377.00
$349.00 - $377.00
$349.00
Celestron EclipSmart Solar Filter for PowerSeeker 70AZ/EQ and Travel Scope 70 Telescopes (94221) - Astronomy Plus
Celestron EclipSmart Solar Filter for PowerSeeker 70AZ/EQ and Travel Scope 70 Telescopes (94221) - Astronomy Plus
$38.00 - $38.00
$38.00
$38.00 - $38.00
$38.00

Celestron EclipSmart Solar Filter for PowerSeeker 70AZ/EQ and Travel Scope 70 Telescopes (94221)

Celestron

Celestron EclipSmart Solar Filter for PowerSeeker 70AZ/EQ and Travel Scope 70 Telescopes ISO-CERTIFIED SOLAR TELESCOPE FILTER: Certified to compl...

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$38.00 - $38.00
$38.00
$38.00 - $38.00
$38.00
Lunt Internal Double Stack Module for LS80THa (LS80Ha/PT/DSII) - Astronomy Plus
$2,093.00 - $2,093.00
$2,093.00
$2,093.00 - $2,093.00
$2,093.00

Lunt Double Stack Filter for Lunt 80mm & 100mm Universal Telescopes (DSII/SFPTP)

Lunt

Lunt Internal Double Stack Module for LS80THa SFPT – Internal Double Stack Module for Lunt 80 mm & 100 mm Universal Day and Night Telescopes No...

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$2,093.00 - $2,093.00
$2,093.00
$2,093.00 - $2,093.00
$2,093.00
Daystar Combo Quark Chromosphere H-alpha Filter (DSZCC) - Astronomy Plus
Daystar Combo Quark Chromosphere H-alpha Filter (DSZCC) - Astronomy Plus
Save $149.00 Save $0.00
$1,799.00
$1,799.00 - $1,799.00
$1,799.00
$1,650.00
$1,650.00 - $1,650.00
$1,650.00

Daystar Combo Quark Chromosphere H-alpha Filter (DSZCC)

Daystar

Daystar Combo Quark Chromosphere H-alpha Filter The Daystar Combo Quark Chromosphere H-alpha Filter marries high quality components of adapters, sn...

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$1,799.00
$1,799.00 - $1,799.00
$1,799.00
$1,650.00
$1,650.00 - $1,650.00
$1,650.00
Save $149.00 Save $0.00
Lunt 60mm Ha Etalon Filter (LS60FHa) - Astronomy Plus
Lunt 60mm Ha Etalon Filter (LS60FHa) - Astronomy Plus
Sold out
$2,700.00 - $2,700.00
$2,700.00
$2,700.00 - $2,700.00
$2,700.00

Lunt 60mm Ha Etalon Filter - Previous Generation Sale (LS60FHa)

Lunt

Lunt 60mm Ha Etalon Filter LS60FHa H-Alpha Filter, 60mm front-mounted non-obstructed hydrogen-alpha filter for use on a wide range of telescopes! ...

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$2,700.00 - $2,700.00
$2,700.00
$2,700.00 - $2,700.00
$2,700.00
Sold out
SVBONY SV229 Solar Eclipse Telescope Filters - Astronomy Plus
Save $12.00 Save $0.00
$46.00
$46.00 - $46.00
$46.00
$34.00
$34.00 - $34.00
$34.00

SVBONY 118-158mm Solar Telescope Filters- USED (W9183C-U)

Svbony

SVBONY 118-158mm Solar Telescope Filters- USED In perfect state The SV229 is an ideal choice for viewing the sun, and it conforms the standard ISO ...

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$46.00
$46.00 - $46.00
$46.00
$34.00
$34.00 - $34.00
$34.00
Save $12.00 Save $0.00
$419.00 - $419.00
$419.00
$419.00 - $419.00
$419.00

Daystar Combo Quark 2.8X Telecentric Barlow (CC28B)

Daystar

Daystar Combo Quark 2.8X Telecentric Barlow This  brand new QUARK optimized accessories is designed to fit our classic Combo Quark Hydrogen Alpha F...

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$419.00 - $419.00
$419.00
$419.00 - $419.00
$419.00
$419.00 - $419.00
$419.00
$419.00 - $419.00
$419.00

Daystar Combo Quark 4.3X Telecentric Barlow (CC43B)

Daystar

Daystar Combo Quark 4.3X Telecentric Barlow This  brand new QUARK optimized accessories is designed to fit our classic Combo Quark Hydrogen Alpha F...

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$419.00 - $419.00
$419.00
$419.00 - $419.00
$419.00
Baader AstroSolar Spotting Scope Filter OD 5.0 (50mm - 150mm) Baader Planetarium
Baader AstroSolar Spotting Scope Filter OD 5.0 (50mm - 150mm) Baader Planetarium
$69.00 - $175.00
$69.00 - $175.00
$69.00 - $175.00
$69.00

Baader AstroSolar Spotting Scope Filter OD 5.0 (50mm - 150mm)

Baader Planetarium

Baader AstroSolar Spotting Scope Filter OD 5.0 (50mm - 150mm) This family of filters offers a stable and rigid solution for all spotting scopes, ca...

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$69.00 - $175.00
$69.00 - $175.00
$69.00 - $175.00
$69.00
Antlia Solar Discover Dualband（Ha, CaK and CaH) - Mini (SD-DUAL-MINI) Antlia
Antlia Solar Discover Dualband（Ha, CaK and CaH) - Mini (SD-DUAL-MINI) Antlia
Save $6.00 Save $0.00
$120.00
$120.00 - $120.00
$120.00
$114.00
$114.00 - $114.00
$114.00

Antlia Solar Discover Dualband（Ha, CaK and CaH) - Mini (SD-DUAL-MINI)

Antlia

Antlia Solar Discover Dualband（Ha, CaK and CaH) - Mini The Antlia Solar Discover Dualband (Ha, CaK, and CaH) filter assembly comes in both standard...

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$120.00
$120.00 - $120.00
$120.00
$114.00
$114.00 - $114.00
$114.00
Save $6.00 Save $0.00
Seymour Hyperion Binocular Solar Filters (Pair) - Astronomy Plus
Seymour Hyperion Binocular Solar Filters (Pair) - Astronomy Plus
$147.00 - $196.00
$147.00 - $196.00
$147.00 - $196.00
$147.00

Seymour Hyperion Binocular Solar Filters (Pair)

Seymour solar

Seymour Hyperion Binocular Solar Filters (Pair) This pair of premium solar filters are safe for solar viewing when mounted on binoculars. They are ...

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$147.00 - $196.00
$147.00 - $196.00
$147.00 - $196.00
$147.00
Starfield Optics 1.25" Herschel Solar Wedge (Sol-Wedge-1.25) - Astronomy Plus
Starfield Optics 1.25" Herschel Solar Wedge (Sol-Wedge-1.25) - Astronomy Plus
$349.00 - $349.00
$349.00
$349.00 - $349.00
$349.00

Starfield 1.25" Herschel Solar Wedge (Sol-Wedge-1.25)

Starfield

Starfield 1.25" Herschel Solar Wedge Safe for both solar observation and photography Safe for both solar observation and photography The Starfield ...

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$349.00 - $349.00
$349.00
$349.00 - $349.00
$349.00
Starfield 2" Herschel Wedge for Solar Observation (SOL-Wedge) - Astronomy Plus
Starfield 2" Herschel Wedge for Solar Observation (SOL-Wedge) - Astronomy Plus
$489.00 - $489.00
$489.00
$489.00 - $489.00
$489.00

Starfield 2" Herschel Wedge for Solar Observation (SOL-Wedge)

Starfield

Starfield 2" Herschel Wedge for Solar Observation The Starfield Optics 2" Herschel solar wedge transforms how you can observe the sun's surface inc...

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$489.00 - $489.00
$489.00
$489.00 - $489.00
$489.00
Antlia Imaging Herschel Wedge with 35mm Prism and 1.25'' Cak 3nm Solar Filter - Astronomy Plus
Antlia Imaging Herschel Wedge with 35mm Prism and 1.25'' Cak 3nm Solar Filter - Astronomy Plus
Save $24.05 Save $0.00
$481.00
$481.00 - $481.00
$481.00
$456.95
$456.95 - $456.95
$456.95

Antlia Imaging Herschel Wedge with 35mm Prism and 1.25'' Cak 3nm Solar Filter

Antlia

Antlia Imaging Herschel Wedge with 35mm Prism and 1.25'' Cak 3nm Solar Filter The Antlia Solar Wedge (Herschel Wedge design) replaces the standard ...

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$481.00
$481.00 - $481.00
$481.00
$456.95
$456.95 - $456.95
$456.95
Save $24.05 Save $0.00
Antlia CaK 3nm 393.3nm filter - 1.25'' Mounted (CAK-1.25) - Astronomy Plus
Save $17.00 Save $0.00
$340.00
$340.00 - $340.00
$340.00
$323.00
$323.00 - $323.00
$323.00

Antlia CaK 3nm 393.3nm filter - 1.25'' Mounted (CAK-1.25)

Antlia

Antlia CaK 3nm 393.3nm filter The Antlia Solar Wedge prism and internal CaK solar filter are made of heat resistant double-polished substrate. Antl...

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$340.00
$340.00 - $340.00
$340.00
$323.00
$323.00 - $323.00
$323.00
Save $17.00 Save $0.00
Daystar SS60-DS Solar Scout H-alpha Telescope - Astronomy Plus
Daystar SS60-DS Solar Scout H-alpha Telescope - Astronomy Plus
$1,393.00 - $1,673.00
$1,393.00 - $1,673.00
$1,393.00 - $1,673.00
$1,393.00

Daystar SS60-DS Solar Scout H-alpha Telescope

Daystar

Daystar SS60-DS Solar Scout H-alpha Telescope The engineers at Daystar have made great strides in cost reduction so that we can now offer a quality...

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$1,393.00 - $1,673.00
$1,393.00 - $1,673.00
$1,393.00 - $1,673.00
$1,393.00
Lunt LS40FHa Front Mounted 40mm Double Stack Filter (LS40FHa) - Astronomy Plus
Lunt LS40FHa Front Mounted 40mm Double Stack Filter (LS40FHa) - Astronomy Plus
Save $241.00 Save $0.00
$1,091.00
$1,091.00 - $1,091.00
$1,091.00
$850.00
$850.00 - $850.00
$850.00

Lunt LS40FHa Solar Filter (LS40FHa) – Previous Generation Sale

Lunt

Lunt 40mm Front Mounted Double Stack Filter - Previous Generation Sale It’s finally available! The Lunt Solar 40mm Double Stack Hydrogen-alpha Fil...

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$1,091.00
$1,091.00 - $1,091.00
$1,091.00
$850.00
$850.00 - $850.00
$850.00
Save $241.00 Save $0.00
$804.00 - $804.00
$804.00
$804.00 - $804.00
$804.00

Shelyak Optical Kit for SUNSCAN Spectroheliograph (ES0035)

Shelyak

Shelyak Optical kit for SUNSCAN spectroheliograph by STAROS Projects This optical kit allows you to create a SUNSCAN by STAROS Projects, the descri...

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$804.00 - $804.00
$804.00
$804.00 - $804.00
$804.00
Astronomy Plus Energy Rejection Filters W. Metal Cover Astronomy Plus - Telescopes & Accessories - Astrophotography in Canada
$731.00 - $2,040.00
$731.00 - $2,040.00
$731.00 - $2,040.00
$731.00

Astronomy Plus Energy Rejection Filters W. Metal Cover

Astronomy Plus

Astronomy Plus Energy Rejection Filters Suitable for Quark with refracting and reflecting telescope to observe and photograph the solar prominence ...

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$731.00 - $2,040.00
$731.00 - $2,040.00
$731.00 - $2,040.00
$731.00
Daystar Combo Quark Accessories Bundle (Q-BUNDLE) Daystar
$1,673.00 - $1,673.00
$1,673.00
$1,673.00 - $1,673.00
$1,673.00

Daystar Combo Quark Accessories Bundle (Q-BUNDLE)

Daystar

Daystar Combo Quark Accessories Bundle Daystar Filters is excited to announce a brand new Quark optimized accessory series designed to fit our clas...

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$1,673.00 - $1,673.00
$1,673.00
$1,673.00 - $1,673.00
$1,673.00
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