Thousand Oaks SolarLite Filter Film

Buy on Amazon
The Thousand Oaks Optical SolarLite Solar Filter Film is a 3-inch square piece of optical-grade ND 5 film designed for safe solar observation and photography. It delivers a neutral white-light solar image with reliable attenuation, making it a trusted choice among amateur astronomers and astrophotographers. The film is flexible and easy to work with, allowing users to cut it to fit custom filter holders or telescope apertures.
Key Features & Specs
| Filter Type | ND 5 (100,000x light reduction) optical-density solar film for safe white-light solar viewing |
|---|---|
| Dimensions | 3-inch (76mm) square piece, easily trimmed to fit a range of filter cell sizes |
| Solar Image | Produces a natural white or pale yellow solar disk, offering sharp detail of sunspots and surface granulation |
| Material | Flexible polyester-based optical film with metallic vapor coating on both sides for durability |
| Compatibility | Suitable for telescopes, binoculars, camera lenses, and spotting scopes when mounted in a proper filter cell |
| Safety | Meets ISO 12312-2 international safety standard for direct solar observation when free of pinholes or damage |
| Usage | Intended for DIY filter construction; must be inspected before each use for tears, punctures, or degradation |
Best for: Amateur astronomers, educators, and astrophotographers who want an affordable, high-quality solar film to build custom-fit solar filters for telescopes or camera lenses.