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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
$57.00 - $57.00
$57.00
$57.00 - $57.00
$57.00

Baader Solar Projection Screen (BSPS)

Baader Planetarium

Baader Solar Projection Screen Safe solar projection on refractors with star diagonals Simple observation of the Sun in white light – individually...

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$57.00 - $57.00
$57.00
$57.00 - $57.00
$57.00
$162.00 - $292.00
$162.00 - $292.00
$162.00 - $292.00
$162.00

Baader OD 3.8 Digital Solar Filter

Baader Planetarium

Baader OD 3.8 Digital Solar Filter Note: The product will have ASTF printed on both the box and bezel on the filter. The BSDF will have stickers t...

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$162.00 - $292.00
$162.00 - $292.00
$162.00 - $292.00
$162.00
$67.00 - $117.00
$67.00 - $117.00
$67.00 - $117.00
$67.00

Baader AstroSolar Binocular Filters OD 5.0

Baader Planetarium

Baader AstroSolar Binocular Filters OD 5.0  ASBF- Baader Solar Filter for Binoculars Safe solar observation with all types of binoculars / safe sol...

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$67.00 - $117.00
$67.00 - $117.00
$67.00 - $117.00
$67.00
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
Artesky ERF rejection filter with metal cell Artesky
Artesky ERF rejection filter with metal cell Artesky
$975.00 - $2,900.00
$975.00 - $2,900.00
$975.00 - $2,900.00
$975.00

Artesky ERF rejection filter with metal cell

Artesky

Artesky ERF rejection filter with metal cell The purpose of using an Energy Rejection Filter (ERF) is to prevent as much solar energy as possible f...

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$975.00 - $2,900.00
$975.00 - $2,900.00
$975.00 - $2,900.00
$975.00
Artesky SolarOptic filter ND 5.0 A4 size (ARTSF-A4) Artesky
$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00

Artesky SolarOptic filter ND 5.0 A4 size (ARTSF-A4)

Artesky

Artesky SolarOptic filter ND 5.0 A4 size The SolarOptic solar filter is ideal for building high-quality filters for observing and photographing the...

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$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00
Antlia Solar Discover Dualband（Ha, CaK and CaH) - Standard (SD-DUAL-STD) Antlia
Antlia Solar Discover Dualband（Ha, CaK and CaH) - Standard (SD-DUAL-STD) Antlia
Save $42.00 Save $0.00
$212.00
$212.00 - $212.00
$212.00
$170.00
$170.00 - $170.00
$170.00

Antlia Solar Discover Dualband（Ha, CaK and CaH) - Standard (SD-DUAL-STD)

Antlia

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

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$212.00
$212.00 - $212.00
$212.00
$170.00
$170.00 - $170.00
$170.00
Save $42.00 Save $0.00
Antlia Solar Discover 5Å CaK filter (SD-CAK5) Antlia
Antlia Solar Discover 5Å CaK filter (SD-CAK5) Antlia
Save $169.00 Save $0.00
$1,249.00
$1,249.00 - $1,249.00
$1,249.00
$1,080.00
$1,080.00 - $1,080.00
$1,080.00

Antlia Solar Discover 5Å CaK filter (SD-CAK5)

Antlia

Antlia Solar Discover 5Å CaK filter (SD-CAK5) The Antlia Solar Discover 5Å CaK assembly incorporates a set of light-reducing filters to reduce sola...

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$1,249.00
$1,249.00 - $1,249.00
$1,249.00
$1,080.00
$1,080.00 - $1,080.00
$1,080.00
Save $169.00 Save $0.00
Antlia NEW Solar Discover 3nm CaK filter (SD-CAK3) Antlia
Antlia NEW Solar Discover 3nm CaK filter (SD-CAK3) Antlia
Save $110.00 Save $0.00
$510.00
$510.00 - $510.00
$510.00
$400.00
$400.00 - $400.00
$400.00

Antlia NEW Solar Discover 3nm CaK filter (SD-CAK3)

Antlia

Antlia New Solar Discover 3nm CaK filter Telescope-side connection is 1.25" and 2" Camera side connection is 2" with ring clamp Transmission at 3...

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$510.00
$510.00 - $510.00
$510.00
$400.00
$400.00 - $400.00
$400.00
Save $110.00 Save $0.00
Lunt Polarizing Filter for White Light Wedges - Astronomy Plus
Lunt Polarizing Filter for White Light Wedges - Astronomy Plus
$36.00 - $45.00
$36.00 - $45.00
$36.00 - $45.00
$36.00

Lunt Polarizing Filter for White Light Wedges

Lunt

Lunt Polarizing Filter for White Light Wedges When doing visual work with Lunt White Light Wedges, we recommend adding a Lunt Polarizing Filter for...

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$36.00 - $45.00
$36.00 - $45.00
$36.00 - $45.00
$36.00
Daystar Sodium D-Line Quark Filter (DSZSD) - Astronomy Plus
$1,813.00 - $1,813.00
$1,813.00
$1,813.00 - $1,813.00
$1,813.00

Daystar Sodium D-Line Quark Filter (DSZSD)

Daystar

Daystar Sodium D-Line Quark Filter This new, All-In-One design marries high quality components of a telecentric barlow, adapters, snouts and Daysta...

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$1,813.00 - $1,813.00
$1,813.00
$1,813.00 - $1,813.00
$1,813.00
Daystar Quark Prominence H-alpha Filter (DSZ4P) - Astronomy Plus
Daystar Quark Prominence H-alpha Filter (DSZ4P) - Astronomy Plus
$1,813.00 - $1,813.00
$1,813.00
$1,813.00 - $1,813.00
$1,813.00

Daystar Quark Prominence H-alpha Filter (DSZ4P)

Daystar

Daystar Quark Prominence H-alpha Filter The Daystar Quark Prominence H-alpha Filter marries high quality components of a telecentric barlow, adapte...

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$1,813.00 - $1,813.00
$1,813.00
$1,813.00 - $1,813.00
$1,813.00
Daystar Calcium H-Line Quark Filter (DSZCH) - Astronomy Plus
$1,813.00 - $1,813.00
$1,813.00
$1,813.00 - $1,813.00
$1,813.00

Daystar Calcium H-Line Quark Filter (DSZCH)

Daystar

Daystar Calcium H-Line Quark Filter This All-In-One design marries high quality components of adapters, snouts and Daystar calcium filter into one ...

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$1,813.00 - $1,813.00
$1,813.00
$1,813.00 - $1,813.00
$1,813.00
Daystar Quark for Questar H-alpha Filter (Chromosphere or Prominence) - Astronomy Plus
Daystar Quark for Questar H-alpha Filter (Chromosphere or Prominence) - Astronomy Plus
$1,813.00 - $1,813.00
$1,813.00
$1,813.00 - $1,813.00
$1,813.00

Daystar Quark for Questar H-alpha Filter (Chromosphere or Prominence)

Daystar

Daystar Quark for Questar H-alpha Filter (Chromosphere or Prominence) Chromosphere: The Daystar Quark Chromosphere for Questar H-alpha Filter is fo...

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$1,813.00 - $1,813.00
$1,813.00
$1,813.00 - $1,813.00
$1,813.00
Daystar Energy Rejection Filter for SCT- ERF - Astronomy Plus
$770.00 - $1,673.00
$770.00 - $1,673.00
$770.00 - $1,673.00
$770.00

Daystar Energy Rejection Filter for SCT- ERF

Daystar

[latexpage] Daystar Energy Rejection Filter ERF for SCT The Daystar Energy Rejection Filter for SCT reduces the heat load on your filter assembly b...

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$770.00 - $1,673.00
$770.00 - $1,673.00
$770.00 - $1,673.00
$770.00
Daystar Combo Quark Prominence H-alpha Filter (DSZCP) - Astronomy Plus
Daystar Combo Quark Prominence H-alpha Filter (DSZCP) - Astronomy Plus
$1,813.00 - $1,813.00
$1,813.00
$1,813.00 - $1,813.00
$1,813.00

Daystar Combo Quark Prominence H-alpha Filter (DSZCP)

Daystar

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

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$1,813.00 - $1,813.00
$1,813.00
$1,813.00 - $1,813.00
$1,813.00
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