Watch out for ISO 12312-2: how to tell if your eclipse glasses are safe or a dangerous scam

The article explains how to verify whether solar eclipse glasses are safe and properly certified.

It highlights key requirements such as ISO 12312-2 compliance, manufacturer details, and proper usage instructions.

It also suggests simple home checks for defects and warns against uncertified filters that could harm the eyes.

As a safe alternative, it notes that welder’s glass with DIN 14 or higher may be used.