WHICH ECLIPSE GLASSES ARE SAFE?

If you buy eclipse glasses, be sure that they are made by one of the 12 companies the American Astronomical Society and NASA has certified as safe for use.

They should all have the “ISO” (International Organization for Standardization) icon. The glasses also must have the ISO reference number 12312-2.

Certified companies

American Paper Optics APM Telescopes Baader Planetarium Celestron DayStar Explore Scientific Lunt Solar Systems Meade Instruments Rainbow Symphony Seymour Solar Thousand Oaks Optical TSE 17