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White-Light Solar Film & Glass

White-light solar observation is the most accessible branch of astronomy and the least forgiving of shortcuts. A correct full-aperture filter shows sunspots, granulation and faculae safely in daylight; an incorrect one can cause permanent eye injury in less than a second. David Astro carries white-light solar filters in Canada, stocked domestically and ready to ship.

We will not supply an unsafe configuration. If you are unsure whether a filter suits your telescope, ask us first — this is the one category where guessing is genuinely dangerous.

Filters

Original price $53.00 USD - Original price $92.00 USD
Original price
$53.00 USD - $92.00 USD
$53.00 USD - $92.00 USD
Current price $53.00 USD

Baader AstroSolar Binocular Filter OD 5.0 - 50-100mm

Optical Density 5.0 AstroSolar Safety Film Enables direct, safe viewing of the Sun Available in 50mm, 60mm, 70mm, 80mm, and 100mm clear aperture m...

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Original price $53.00 USD - Original price $92.00 USD
Original price
$53.00 USD - $92.00 USD
$53.00 USD - $92.00 USD
Current price $53.00 USD
Original price $38.00 USD - Original price $38.00 USD
Original price
$38.00 USD
$38.00 USD - $38.00 USD
Current price $38.00 USD

Baader AstroSolar Photo Film OD 3.8

Optical Density 3.8: Specifically engineered for high-speed solar photography, not visual observation. Enables Short Exposures: Allows for shutt...

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Original price $38.00 USD - Original price $38.00 USD
Original price
$38.00 USD
$38.00 USD - $38.00 USD
Current price $38.00 USD
Original price $27.00 USD - Original price $391.00 USD
Original price
$27.00 USD - $391.00 USD
$27.00 USD - $391.00 USD
Current price $27.00 USD

Baader Astrosolar Safety Film OD 5.0

Optical Density 5.0 for safe, direct visual solar observation Does not degrade optical wavefront, preserving sharpness and contrast Available in m...

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Original price $27.00 USD - Original price $391.00 USD
Original price
$27.00 USD - $391.00 USD
$27.00 USD - $391.00 USD
Current price $27.00 USD
Original price $55.00 USD - Original price $138.00 USD
Original price
$55.00 USD - $138.00 USD
$55.00 USD - $138.00 USD
Current price $55.00 USD

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

Optical Density 5.0 for safe, direct solar viewing Available in 7 sizes from 50mm to 150mm Fits spotting scopes, binoculars, and small telescopes ...

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Original price $55.00 USD - Original price $138.00 USD
Original price
$55.00 USD - $138.00 USD
$55.00 USD - $138.00 USD
Current price $55.00 USD
Original price $101.00 USD - Original price $249.00 USD
Original price
$101.00 USD - $249.00 USD
$101.00 USD - $249.00 USD
Current price $101.00 USD

Baader AstroSolar Telescope Filter OD 5.0 - 80-280mm

Enables safe, high-resolution solar viewing and imaging Optical Density 5.0, blocking 99.999% of sunlight Available in apertures from 80mm to 280m...

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Original price $101.00 USD - Original price $249.00 USD
Original price
$101.00 USD - $249.00 USD
$101.00 USD - $249.00 USD
Current price $101.00 USD
Original price $59.00 USD - Original price $102.00 USD
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$59.00 USD - $102.00 USD
$59.00 USD - $102.00 USD
Current price $59.00 USD

Baader Planetarium ASBF – AstroSolar® Binocular Filter OD 5.1 – ClearWhite

Available for 50, 60, 70, 80 & 100mm Aperture Binoculars AstroSolar® White-Light Film Optical Density (OD) 5.1 for Visual Safety Clear, Neutra...

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Original price $59.00 USD - Original price $102.00 USD
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$59.00 USD - $102.00 USD
$59.00 USD - $102.00 USD
Current price $59.00 USD
Original price $61.00 USD - Original price $152.00 USD
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$61.00 USD - $152.00 USD
$61.00 USD - $152.00 USD
Current price $61.00 USD

Baader Planetarium ASSF – AstroSolar® Spotter Filter OD 5.1 – ClearWhite

Available in seven sizes from 50mm to 150mm for spotting scopes, binoculars, finders and small telescopes Optical Density 5.1 for safe, direct vis...

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Original price $61.00 USD - Original price $152.00 USD
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$61.00 USD - $152.00 USD
$61.00 USD - $152.00 USD
Current price $61.00 USD
Original price $112.00 USD - Original price $274.00 USD
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$112.00 USD - $274.00 USD
$112.00 USD - $274.00 USD
Current price $112.00 USD

Baader Planetarium ASTF – AstroSolar® Telescope Filter OD 5.1 – ClearWhite

Available in nine sizes from 80mm to 280mm (ASTF 80 to ASTF 280) to suit your telescope AstroSolar® Safety Film with Optical Density 5.1 Diffracti...

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Original price $112.00 USD - Original price $274.00 USD
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$112.00 USD - $274.00 USD
$112.00 USD - $274.00 USD
Current price $112.00 USD
Original price $139.00 USD - Original price $492.00 USD
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$139.00 USD - $492.00 USD
$139.00 USD - $492.00 USD
Current price $139.00 USD

Baader Planetarium AstroSolar® ClearWhite Safety Film OD 5.1

Certified AstroSolar® Safety Film Optical Density 5.1 for Visual Use Available as 100x50cm or Giant-size 117x117cm Sheet "ClearWhite" Neutral Colo...

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Original price $139.00 USD - Original price $492.00 USD
Original price
$139.00 USD - $492.00 USD
$139.00 USD - $492.00 USD
Current price $139.00 USD
Original price $134.00 USD - Original price $223.00 USD
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$134.00 USD - $223.00 USD
$134.00 USD - $223.00 USD
Current price $134.00 USD

Baader Solar Continuum Filter

Maximizes contrast on solar granulation, faculae, and sunspot details Dramatically reduces chromatic aberration in achromatic refractors Functions...

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Original price $134.00 USD - Original price $223.00 USD
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$134.00 USD - $223.00 USD
$134.00 USD - $223.00 USD
Current price $134.00 USD
Original price $59.95 USD - Original price $59.95 USD
Original price
$59.95 USD
$59.95 USD - $59.95 USD
Current price $59.95 USD

Celestron EclipSmart Solar Filter - 6” SCT

Designed for Celestron 6" Schmidt-Cassegrain Telescopes Provides a 128.5mm (5.06") clear aperture for safe solar viewing ISO 12312-2:2015(E) compl...

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Original price $59.95 USD - Original price $59.95 USD
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$59.95 USD
$59.95 USD - $59.95 USD
Current price $59.95 USD
Original price $74.95 USD - Original price $74.95 USD
Original price
$74.95 USD
$74.95 USD - $74.95 USD
Current price $74.95 USD

Celestron EclipSmart Solar Filter - 8” SCT and EdgeHD

Instantly adapts your Celestron 8” Schmidt-Cassegrain or EdgeHD telescope for solar viewing Conforms to the ISO 12312-2:2015(E) international safe...

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Original price $74.95 USD - Original price $74.95 USD
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$74.95 USD
$74.95 USD - $74.95 USD
Current price $74.95 USD
Original price $14.99 USD - Original price $69.95 USD
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$14.99 USD - $69.95 USD
$14.99 USD - $69.95 USD
Current price $14.99 USD

Daystar SolarLite Film Sheet

SolarLite Film Sheet in 6" x 6", 12" x 12" and 12" x 20" Sizes Meets ISO 12312-2:2015 Requirements for Direct Solar Viewing Thousand Oaks SolarLit...

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Original price $14.99 USD - Original price $69.95 USD
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$14.99 USD - $69.95 USD
$14.99 USD - $69.95 USD
Current price $14.99 USD
Original price $16.95 USD - Original price $29.95 USD
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$16.95 USD - $29.95 USD
$16.95 USD - $29.95 USD
Current price $16.95 USD

Daystar Universal Lens Filter

Universal Fit for Camera Lenses & Small Scopes Safe for Direct Solar Viewing & Imaging Features ISO-Compliant Solar Filter Film Renders th...

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Original price $16.95 USD - Original price $29.95 USD
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$16.95 USD - $29.95 USD
$16.95 USD - $29.95 USD
Current price $16.95 USD
Original price $44.95 USD - Original price $44.95 USD
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$44.95 USD
$44.95 USD - $44.95 USD
Current price $44.95 USD

Daystar Universal Lens Filter - 3 Pack

Contents: Two 50mm filters and one 70mm filter Compatibility: Fits camera lenses, binoculars, and small spotting scopes Safety Standard: meets ISO...

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Original price $44.95 USD - Original price $44.95 USD
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$44.95 USD
$44.95 USD - $44.95 USD
Current price $44.95 USD
Original price $29.95 USD - Original price $29.95 USD
Original price
$29.95 USD
$29.95 USD - $29.95 USD
Current price $29.95 USD

Daystar Universal Lens Filter - 50mm Binocular and Eclipse Glasses Bundle

Includes two 50mm universal-fit solar filters Comes with 5 pairs of ISO-certified eclipse glasses Safe for direct solar viewing through optics Fil...

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Original price $29.95 USD - Original price $29.95 USD
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$29.95 USD
$29.95 USD - $29.95 USD
Current price $29.95 USD
Original price $66.95 USD - Original price $66.95 USD
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$66.95 USD
$66.95 USD - $66.95 USD
Current price $66.95 USD

Daystar Universal Lens Filter - 50mm, 70mm, 90mm Combo Pack

Includes three filter sizes: 50mm, 70mm, and 90mm Safe for direct solar photography with cameras, spotting scopes, and small telescopes Meets the ...

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Original price $66.95 USD - Original price $66.95 USD
Original price
$66.95 USD
$66.95 USD - $66.95 USD
Current price $66.95 USD
Original price $54.95 USD - Original price $54.95 USD
Original price
$54.95 USD
$54.95 USD - $54.95 USD
Current price $54.95 USD

Daystar Universal Lens Filter - Two 50mm + One 90mm Combo Pack

Includes two 50mm filters and one 90mm filter Film meets ISO 12312-2:2015 requirements for direct solar observation Made with Thousand Oaks Densit...

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Original price $54.95 USD - Original price $54.95 USD
Original price
$54.95 USD
$54.95 USD - $54.95 USD
Current price $54.95 USD
Original price $24.95 USD - Original price $39.95 USD
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$24.95 USD - $39.95 USD
$24.95 USD - $39.95 USD
Current price $24.95 USD

Daystar Universal Lens Filter for Binoculars - Set of Two

Set of two filters for binoculars, spotting scopes and camera lenses Choice of 50mm, 70mm or 90mm clear aperture Fits optics from 50mm to 109mm ou...

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Original price $24.95 USD - Original price $39.95 USD
Original price
$24.95 USD - $39.95 USD
$24.95 USD - $39.95 USD
Current price $24.95 USD
Original price $21.95 USD - Original price $34.95 USD
Original price
$21.95 USD - $34.95 USD
$21.95 USD - $34.95 USD
Current price $21.95 USD

Daystar Universal Lens Filter with 5 Eclipse Glasses

Available in 50mm, 70mm & 90mm Apertures Passes ISO 12312-2 Safety Standards Renders the Sun in a Crisp Orange Hue Foldable, Glare-Reducing Ca...

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Original price $21.95 USD - Original price $34.95 USD
Original price
$21.95 USD - $34.95 USD
$21.95 USD - $34.95 USD
Current price $21.95 USD
Original price $59.00 USD - Original price $179.00 USD
Original price
$59.00 USD - $179.00 USD
$59.00 USD - $179.00 USD
Current price $59.00 USD

Daystar White Light Solar Filter

Thousand Oaks Solarlite Film Meets ISO 12312-2:2015 Requirements for Direct Solar Observation ND 5 Rating Rejects 99.999% of Sunlight Durable Meta...

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Original price $59.00 USD - Original price $179.00 USD
Original price
$59.00 USD - $179.00 USD
$59.00 USD - $179.00 USD
Current price $59.00 USD
Original price $5.99 USD - Original price $5.99 USD
Original price
$5.99 USD
$5.99 USD - $5.99 USD
Current price $5.99 USD

Explore Scientific Solar Filter/Sun Shade for Galileoscope Refractor Telescope STEM Kit

Designed for the Galileoscope STEM Kit Enables Safe, Direct Observation of the Sun Features Durable, Tear-Resistant Solarlite Film Produces a Cons...

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Original price $5.99 USD - Original price $5.99 USD
Original price
$5.99 USD
$5.99 USD - $5.99 USD
Current price $5.99 USD
Original price $49.00 USD - Original price $49.00 USD
Original price
$49.00 USD
$49.00 USD - $49.00 USD
Current price $49.00 USD

iOptron 70mm Adjustable Solar Filter

70mm Clear Aperture Fits Telescope Tubes with 86mm to 106mm Outside Diameters SolarLite Film with Optical Density 5 Rating Blocks All but 1/1,000t...

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Original price $49.00 USD - Original price $49.00 USD
Original price
$49.00 USD
$49.00 USD - $49.00 USD
Current price $49.00 USD
Original price $550.74 USD - Original price $550.74 USD
Original price
$550.74 USD
$550.74 USD - $550.74 USD
Current price $550.74 USD

Orion Optics UK OMC-200 Full-Aperture Solar Filter (Screw Fitting)

Full-aperture solar filter for Orion Optics UK OMC-200 telescopes Secure screw-on fitting prevents accidental detachment Military-grade aluminum c...

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Original price $550.74 USD - Original price $550.74 USD
Original price
$550.74 USD
$550.74 USD - $550.74 USD
Current price $550.74 USD

Safe White-Light Solar Filtration

Every safe method blocks the sunlight before it enters the telescope, or diverts almost all of its energy out of the optical path. Nothing at the eyepiece end is acceptable.

  • Full-aperture film filters: Metallized polymer film in a cell fitted over the objective, giving a neutral or slightly blue-white solar image at very low cost.
  • Full-aperture glass filters: Coated optical glass, more durable and often giving a warmer image, at higher cost and weight.
  • Herschel wedges: For refractors only, diverting the great majority of solar energy out of the back of the wedge and passing a small fraction to the eyepiece with additional filtration.
  • Solar finders: Pinhole or projection finders that let you aim safely, since an unfiltered optical finder is itself a hazard.
  • Cell fit and security: A filter that can be lifted off by wind is a serious risk. Proper cells fit snugly and are secured, not balanced in place.
  • Aperture stops: Off-axis stops for large telescopes, reducing aperture and heat load while improving the image in daytime seeing.

Why Choose David Astro for White-Light Solar Filters

Authenticity and correct fit are safety requirements here, not preferences.

  • Genuine filters only: As an authorized dealer we supply manufacturer product with verified coatings, which matters in a category where counterfeit solar film has circulated.
  • Front-mounted, full-aperture, always: We do not supply eyepiece-end solar filters under any circumstances, because they sit where the telescope has concentrated the full solar energy.
  • Fit measured properly: We size the cell to your telescope's actual outer diameter including any dew shield, so it seats securely and cannot be dislodged.
  • Herschel wedge suitability checked: Wedges are for unobstructed refractors only, and we confirm your telescope is appropriate before supplying one.
  • Ships from Canada: In-stock filters delivered domestically without duties or brokerage fees.

White-Light Solar Filters in Canada — Frequently Asked Questions

How do I check a solar filter is still safe?
Hold it up to a bright lamp and look for pinholes, scratches, creases or coating separation. Any visible defect means replacement. Never repair a solar filter with tape.
Film or glass?
Film gives excellent image quality for very little money and is lighter on the front of the tube. Glass is more durable and less easily damaged in handling. Both are safe when genuine and undamaged.
Can I use a Herschel wedge on my Schmidt-Cassegrain?
No. Herschel wedges are for unobstructed refractors only. In a catadioptric or reflector, the concentrated energy inside the closed tube can cause damage before it ever reaches the wedge.
Do I need a special finder?
Yes. An unfiltered finder scope is a serious hazard when pointed at the Sun. Use a pinhole or shadow-projection solar finder, or cap the finder entirely and aim by the telescope's shadow.

Observing the Sun safely?

Tell us your telescope and we will confirm the correct filter and fit. Genuine product, Canadian stock.