Build your own custom telescope solar filter with this 9"x9" pre-cut sheet of Thousand Oaks Optical Solar-Lite film — the industry-standard material for safe white-light solar observation. The film blocks 99.999% of harmful UV and IR radiation while delivering a sharp, natural-color view of the Sun, sunspots, and solar eclipses.
Trim the sheet to fit your scope's aperture and mount it in cardboard, plastic, or a 3D-printed cell. Each sheet ships with instructions for safe use and basic DIY mounting tips.
Specifications
- 9"x9" pre-cut film sheet
- Thousand Oaks Optical Solar-Lite film
- ISO 12312-2 and CE certified
- White-light, full-spectrum solar viewing
- Includes safe-use instructions and DIY mounting hints
Use Cases
- Solar eclipse viewing (partial, annular, total)
- Sunspot observation
- Planetary solar transits
- Basic white-light solar astrophotography
Safe Solar Viewing
Never look at the Sun through a telescope without a properly mounted, certified solar filter — unfiltered solar light will cause instant, permanent eye damage. Inspect the film for pinholes, scratches, or separations before each use; discard immediately if damaged. Mount the filter securely so it cannot blow off in wind or vibrate loose.
Need a finished filter instead of DIY? Browse pre-mounted solar filter rings and telescope-specific solar filters, or see the full solar product range.
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