What is thin film?

There are many "thin films" on the market today used for solar viewing. Some of them include Mylar, Baader, and Black Polymer. The thin film we use in our filters is Black Polymer which has a neutral density (ND) of 5 and is safe for solar viewing . The sun is viewed as a sharp natural orange … Continue reading

Are the Solar Filters safe?

Yes. All of our Glass and Thin Film Solar Filters are safe for unlimited visual use and photography. Helios Solar Film and Helios Solar GlassĀ® have been tested and meet the requirements for ISO 12312-2.These filters block 99.999% of the sunlight and therefore are rated with a neutral density … Continue reading