The safest eclipse advice is simple: never look at the Sun directly, and never point a camera at it without protection.
Quick Take
- Use certified **eclipse glasses** or a safe handheld solar viewer for direct viewing during partial phases.
- Use a **pinhole projector** or box projector if you want to watch without looking at the Sun.
- Keep a **solar filter** on cameras, binoculars, and telescopes during all partial phases.
- Only remove eye and lens protection during the brief period of **totality**, and put it back on fast.
How to Watch Without Risking Your Eyes
Federal science and eye-safety groups say the rule for a partial solar eclipse is strict: look through certified eclipse glasses or a safe handheld viewer at all times. NASA says direct viewing without protection is safe only during the short moment when the Moon fully covers the Sun’s bright face. Before and after that, even a thin sliver of Sun can hurt your eyes quickly.
If you do not have eclipse glasses, use an indirect method instead. NASA recommends a pinhole projector, which throws the Sun’s image onto paper or another flat surface. The British Broadcasting Corporation’s safety guide also gives simple box-projector steps that let you watch the eclipse without staring at the Sun. These methods are low-tech, cheap, and safe when built correctly.
How to Film or Photograph It Safely
Camera rules are just as important as eye rules. Prevent Blindness says never look through an optical viewfinder at the Sun and never point a camera at it without a solar filter. The American Astronomical Society says special-purpose solar filters must stay on cameras and telescopes during partial phases. Space.com gives the same warning and adds that this applies even when you use a telescope or binoculars.
For phones, the safest approach is to filter the camera lens rather than the screen. CBS News reports that experts advise cutting certified eclipse glasses and taping a filter over the phone lens for partial phases. Euronews also says the same basic rule applies: as long as the Sun is still partly visible, the camera needs a solar filter. That keeps the sensor and your eyes protected from intense sunlight.
What Not to Use
Common household items are not good substitutes for real eclipse gear. Time and Date says sunglasses do not work, and NASA says ordinary filters are not safe for direct Sun viewing. Safety guides also warn against using exposed photographic film, smoked glass, compact discs, or unfiltered binoculars and telescopes. Those items may seem dark, but they do not block the harmful light and heat that can damage eyes.
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That warning matters because eclipse mistakes are easy to make in a hurry. BBC News notes that people should face away from the Sun when using simple projection tools, and they should never look through the pinhole itself. The safest plan is to test your viewing setup before eclipse day, keep protection on during every partial phase, and remove it only for totality if you are inside the path of totality.
Sources:
science.nasa.gov, nso.edu, space.com, nationalgeographic.com, poseidonexpeditions.com, aarp.org, en.wikipedia.org, engadget.com
