You ’re probably alreadypreparingfor the August 21 solar eclipse , right ? It ’s blend in to be spectacular , especially for thosein the pathof aggregate , which stretches across the U.S. from South Carolina to Oregon . No matter where you exist , though , if you want to watch the eclipse , you should get ahold of some occultation glasses . To make certain your glasses are up to safety gadget standards , your glasses need to keep up a few guidelinesfrom NASAbefore you look up .
First , you should be able to see the producer ’s name and plow somewhere on the glasses . There are five brands of occultation glasses that the American Astronomical Society has verified as meeting eclipse safety standards :
You should also verify that the glasses list the right certificate info , affirm that they ’re safe to practice when looking directly at the sun . Somewhere on the methamphetamine hydrochloride it should say that the glasses forgather the ISO 12312 - 2 transmission demand , and you ’ll see anISO logofrom the International Organization for Standardization .
This is what your glasses should depend like , according to NASA ’s guidelines [ PDF ] :
Even if your glasses have all the right information write on them , check that to take a second look . Be heedful not to apply lenses that are scrunch up or those that have scratches on them . They should also be relatively new — don’t use any that are more than three eld old .
We antecedently wrote about Warby Parker ’s freeeclipse drinking glass , which you’re able to pick up in the company ’s fund in August . We ’ve reached out to the society about whether their crank meet these guidepost and will update the story when we hear back .
Read the relief of NASA ’s eclipse safety recommendationshere .
Update : Warby Parker has confirmed that their free eclipse glasses are made by American Paper Optics , a certified trade name . catch by !
