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Most people never stop to look at the Sun.

We think that's a shame.

The Sun is worth your attention.

“Okay, but how do I know which one to buy?”

Help Me Choose My Filter
I know my size

Choosing the Right Solar Filter Shouldn’t Be Hard

Start with your device

Tell us what you’re using — camera, telescope, or binoculars — and we’ll guide the rest.

No guessing

We narrow your options to filters that actually fit your equipment.

You’re not stuck

Unused returns are accepted if something isn’t right.

Start here — we’ll guide you to the right filter.

Choose your device

Telescope

The most common setup. Slip-on filters mount to the front of the tube.

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BINOCULARS

Slip-on filters are sold in pairs and the same sizing rule applies.

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Cameras

Threaded filters use thread size (Ømm). Slip-on filters use outer diameter.

Start here
Sunspots on the Sun’s surface photographed through a Seymour Solar ND5 white-light solar filter tested to ISO 12312-2 transmission limits for safe solar viewing.

You don’t see this every day.

Sometimes it’s a sunspot group slowly drifting across the Sun.
Sometimes it’s quiet — until it isn’t.

We’ve seen it a lot.
And we still end up saying: okay, check this out.

Done right, it’s safe.

Looking at the Sun isn’t something to take lightly.

That’s why Seymour Solar filters are designed for secure, front-mounted use and carefully inspected before they ever ship.

If you’re not sure what you need, we’ll help you get it right.

Eclipses are only the beginning.

The same filter you use for an eclipse lets you observe sunspots, transits, and the Sun’s changing surface over time.

Once you have the right filter, you’ll find reasons to use it long after the big event has passed.

Designed for real-world solar observing

Seymour Solar filters are designed for secure, front-mounted use on a wide range of optical devices. From telescopes and cameras to binoculars and spotting scopes, our filters integrate cleanly into real observing setups — so you know exactly what to expect before you begin.

See how our filters are used

Designed for clarity. Built for safety.

Seymour Solar specializes in white-light solar filters for safe solar observing and photography. Our filters are engineered for front-mounted use and crafted to deliver clear, consistent views of the Sun across a wide range of optical devices — from cameras and telescopes to binoculars and spotting scopes.

We focus on precision materials, careful construction, and clear guidance, so you can observe with confidence.

Start with what you know. We’ll guide you from there.

Find the right solar filter — fast

Shop by device

Find filters for cameras, telescopes, binoculars, and spotting scopes.

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Shop by use

Choose filters for visual observing, photography, outreach, or education.

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Help choosing

New to solar observing or unsure about sizing? Start here.

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Learn before you observe

Observing the Sun requires the right equipment and proper use. Our Learn pages cover solar safety basics, filter selection, and best practices for visual observing and photography — so you know exactly what to expect before you begin.

Support you can rely on

Designed for front-mounted solar use and built specifically for safe solar observing and photography.

Backed by our warranty and straightforward return policy.

Designed, built, and supported in the United States by a team focused on solar observing.