ISO 12312-2 · certified for direct solar viewing. Tap to enlarge.
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Certificates, conformity documents, and ISO 12312-2 information.
Eclipse glasses questions
Do I need special glasses for a solar eclipse?
Yes, whenever any part of the Sun is visible. ISO 12312-2 eclipse glasses are the filter made for looking at the Sun. Regular sunglasses are not enough.
What can I use if I don't have eclipse glasses?
Do not look at the Sun. A pinhole projector shows the eclipse on a surface without looking up. Welding glass is a different standard and is not a substitute unless it is the specific shade made for solar viewing. Do not make your own filter.
Can I make my own solar eclipse glasses?
No. Smoked glass, film, and stacked sunglasses do not block enough infrared and ultraviolet. Buy viewers that meet ISO 12312-2 and inspect them for scratches before each use.
How much do solar eclipse glasses cost?
The price is the pack price shown on this page. Packs run from 6 to 100 pairs. Orders of 1,000 or more are quoted on the wholesale page.
Can I use sunglasses or welding glass instead?
No. Sunglasses, even very dark ones, transmit far too much light. Welding and laser eyewear use different specifications. Use ISO 12312-2 solar viewers for direct viewing.
Do I need glasses for a partial eclipse and during totality?
A partial eclipse is still the Sun, so glasses stay on the whole time. During a total eclipse, glasses come off only while the Sun is fully covered, and only if you are inside the path of totality. An annular eclipse, including 6 February 2027, has no naked-eye phase.
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