Hyperion Thin-Film Binocular Solar Filter Kit – Slip-On Front-Mounted Solar Imaging Accessory (Pair)
Matched pair of slip-on solar filters designed for binoculars, providing safe white-light solar observation when used correctly on compatible instruments.
What it’s for
- Safe solar observing with binoculars when both barrels are properly filtered
More details (features, materials, safety, FAQs, and full guidance) will be displayed below in a separate section.
Sizing & Fit — Read Before Choosing a Size
- Important for binoculars: Measure the outer diameter of both barrels. Many binoculars have slightly different tube sizes, and each filter must fit its barrel correctly.
- Measure the outer diameter (OD) at the front of each barrel
- Use calipers or a ruler
- Choose the size that matches each measured OD.
Between sizes? Choose the next size up.
Choose the size that matches your measured outer diameter (OD).
✔ Made in the USA
✔ Durable glass construction
✔ Covered by our warranty
✔ 30-day returns on unused items
Choose options
Details & FAQs
Details
- ND5 white-light attenuation for solar observation
- Lightweight solar film construction
- Matched slip-on pair for binocular use
- Designed for secure front-mounted installation
When used correctly, binocular solar filters allow you to observe the Sun’s photosphere, including visible sunspots and surface detail. Binocular viewing can provide a more comfortable and immersive observing experience for some users.
For imaging and technique expectations, see Getting Started with Solar Photography →
High-quality solar film offers excellent contrast while keeping overall weight low. Film construction is ideal for portability and occasional use when handled and stored properly.
To compare materials and understand which option is best for your needs, see Materials & Optics Explained →
This filter set is intended for front-mounted use only on compatible binoculars. Always ensure that both barrels are fitted with filters before aiming the binoculars at the Sun.
Inspect both filters before each use and discontinue use if either filter is damaged or compromised. Ensure each filter is securely installed and cannot be dislodged during use.
Never look at the Sun through binoculars or any optical instrument without properly installed solar filters on both sides. This product is intended for solar viewing only when used correctly.
For detailed safety guidance, see Solar Filter Safety & Proper Use →
FAQ's
Measure the outside diameter of the tube or barrel where the filter will slip on, using a ruler or calipers. Measure across the widest point for accuracy.
See the Sizing & Fit Guide →
Measure the outside diameter (OD) of one barrel and select the size that matches that measurement.
If your measurement falls between sizes, choose the next size up. This ensures proper clearance and avoids forcing the filter onto the tube.
You’ll be able to safely observe the Sun’s surface, including sunspots and other visible features, depending on conditions and optics.
Unused filters may be returned or exchanged within 30 days. Return shipping costs are the responsibility of the customer.
Because correct sizing is important for safe use, we strongly recommend measuring carefully before ordering and reviewing our sizing guidance if you’re unsure.
Need help choosing the right solar filter?
Choosing the correct solar filter depends on what you’re using and how you plan to observe or photograph the Sun. If you’re unsure, these quick guides will point you in the right direction.
- Shop by device — Cameras, telescopes, binoculars, and spotting scopes
- Shop by use — Visual observing, photography, outreach, and education
- Shop by product type — Glass filters, film filters, threaded rings, and slip-on designs
- Help choosing — Sizing, fit, safety basics, and common questions
Still unsure? Every filter is designed for safe, front-mounted solar use and backed by our warranty.