Watching a solar eclipse safely

Even a thin sliver of Sun can burn your eyes, and it does not hurt while it happens. Look at the pictures: green is safe, red is never.

• 🕶️✓ Safe

  Eclipse glasses

  Marked ISO 12312-2, from a trusted seller, no scratches or holes.

• 📦✓ Safe

  Pinhole projector

  A small hole in card throws a tiny Sun onto paper. Look at the paper, never through the hole.

• 🌳✓ Safe

  Leaf shadows

  Gaps between leaves paint hundreds of little crescents on the ground.

• 🔭✓ Safe

  Solar filter on the front

  Telescopes, binoculars and cameras need a real solar filter over the front lens.

• 😎✕ Never

  Sunglasses

  Even the darkest let through far too much light.

• 📷✕ Never

  Lenses without a filter

  Cameras, binoculars and telescopes concentrate sunlight and burn the eye instantly, even with eclipse glasses on.

• 🎞️✕ Never

  Smoked glass, film or CDs

  Homemade filters are not safe.