Helioclipse
A solar eclipse can make people reach for every optical gadget in the house: binoculars from a hiking bag, a small backyard telescope, a camera with a long lens, even a phone clipped behind eclipse glasses. That instinct is understandable. The Sun's crescent shape, sunspots, and the approach of totality are genuinely thrilling. But magnification changes the safety equation fast.
Viewer safety
ISO 12312-2 is more than a number printed on eclipse glasses. Learn what the standard covers, what it cannot prove by itself, and how to check viewers before your family looks at the Sun.
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Eye safety
Learn exactly when eclipse viewers must stay on, when they may come off during totality, and why partial and annular eclipses have no glasses-off moment.
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Safety online
Unsafe eclipse advice can look polished, popular and persuasive. Learn to spot improvised filters, misleading ISO claims, risky camera tricks and affiliate links before anyone looks at the Sun.
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ISO 12312-2 certified eclipse glasses are the standard for direct solar viewing. Order your Helioclipse glasses in time for eclipse day and plan your trip with confidence.
