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Don’t Get Burned by Solar Eclipse Scams

Protect your vision and money spent on special glasses

Exchange Eclipse Gazers

Laura Greene/AP Photo

According to NASA, the only safe eclipse glasses and handheld solar viewers are made by five manufacturers.

With sky-high anticipation over the upcoming solar eclipse on Aug. 21, there are plenty of opportunities to get burned —visually and financially. According to NASA, the only safe way to watch it is with special solar viewing glasses — also called eclipse glasses — or handheld viewers.

Available for as little as $2 each for paper-frame models that resemble movie theater 3-D glasses, they are not sunglasses and instead have lenses with specially designed filters to safely watch the first total eclipse from the continental United States in nearly 40 years. (If keeping track, the last one occurred on Feb. 26, 1979.)

In fact, regular sunglasses — including very dark ones — are not protective. It also is not safe to watch the uneclipsed or partially eclipsed sun through an unfiltered camera, telescope, binoculars or other optical devices, even when wearing eclipse glasses.

Along with low-cost, recommended models available on Amazon and elsewhere, there are also useless rip-offs being sold that can contribute to permanent retinal damage. Here's what you need to know to protect your eyes and money:

  • The only safe eclipse glasses and handheld solar viewers, notes NASA, are made by five manufacturers: American Paper Optics, Baader Planetarium (AstroSolar Silver/Gold film only), Rainbow Symphony, Thousand Oaks Optical and TSE 17. The manufacturer’s name and address should be printed on the product.
  • In addition to these brands, NASA stresses buying, and using, only products that specifically note ISO reference 12312-2. An ISO icon means the product meets the standards of the International Organization for Standardization in blocking all but 1/100,000 of the sun’s light. (Regular sunglasses block about half its light.)
  • When ordering online, use a credit card, which provides stronger protections than other payment methods if your product doesn’t meet advertised claims (such as the vetted manufacturers and ISO 12312-2) or isn’t delivered.
  • Before using, inspect solar glasses or handheld filters. Don’t use any products that have scratched lenses, are wrinkled or damaged, or are older than three years.
  • Cover your eyes with eclipse glasses or a handheld filter before you look at the sun. They should not be removed until after you turn away, with your back to the sun.
  • If you are within the 70-mile path of totality from Oregon to South Carolina, remove your solar filter only when the moon completely covers the sun’s bright face and it suddenly gets dark. As soon as the bright sun begins to reappear, replace your solar viewer to glance at the remaining partial phases.
  • A separate solar filter should be used on cameras or telescopes for full protection. Do not rely on wearing eclipse glasses when using a camera, binoculars or telescope.
  • Is there an option to go filter free? That old-school “pinhole projection” method from elementary school allows for safe viewing of the partially eclipsed sun: Cross the outstretched, slightly open fingers of one hand over the other (also outstretched, with slightly spread fingers), and with your back to the sun, look at your hands’ shadow on the ground. The little spaces between your fingers will project a grid of small images on the ground, showing the sun as a crescent during the partial phases of the eclipse.

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