Safely view solar eclipses and other solar phenomenon with Solar Eclipse Viewers from Astronomy magazine and Rainbow Symphony, Inc.
These handheld 3" x 5" cards feature a 1" x 4" aperture for safely viewing solar events and are great for kids. Easily attach to a lanyard (not included) using the pre-punched hole.
Viewing lenses are made of scratch resistant, optical density 5 or greater, “Black Polymer” material which filters out 100% of harmful ultra-violet, 100% of harmful infrared and 99.999% of intense visible light. These eclipse viewers create a sharp solar image with a natural orange color. Solar Eclipse Viewers are CE certified and ISO 12312-2:2015 compliant which make them absolutely safe for direct solar viewing.
Solar Eclipse Viewers come in packs of 5 which are perfect for solar eclipse viewing with students, friends, and family.
The backside of the eclipse viewers is printed with safety information.