2017solar.com - First things DO NOT try to use any type of optical magnifying system to view the solar eclipse. Binoculars and telescopes pointed at the sun and seen by the human eye could cause instantaneous blindness. Professionals who use optical gadgets that have particular filters which permit them to view the occasion through their instruments.
Joe Citizen, on the other hand, has a few low cost choices that can be just as fun. I'll briefly describe the preferred methods. Solar eclipse glasses purchased from an astronomy store, a homemade pinhole viewing box or the cardboard projection method.
Safe solar eclipse glasses are constituted of a scratch resistant, optical density 5, black polymer material. They'll take away virtually the entire infra purple, ultra violet and 99% of the dangerous visible mild spectrums. These particular Solar Shield Glasses will let you see the eclipse as an orange image. They're low cost, light-weight, and some manufacturers offer the power to print promoting info if your organization wish to give them away or promote them as promotional items. Regardless that these glasses are safely rated, experts still advice to not view the sun through them for prolonged lengths of time. So, use widespread sense and watch the eclipse for under brief lengths of time.
If you can't discover a set of Solar Shield Glasses, then your finest bet is to make a pinhole viewer. A pinhole viewer is an indirect method of viewing the eclipse. It's much safer than any type of glasses or filter as a result of as a way to use it, your again is to the sun. (It's laborious to burn your optic nerve that method) To make a pinhole viewer, merely take a medium sized, rectangular box and poke a small gap in the center of one of many brief sides. While standing together with your again to the sun, put the box over your head with the pinhole aspect facing the sun. You will notice an inverted image of the eclipse projected on to the opposite aspect of the box. (CAUTION: Do NOT look through the pinhole beneath any circumstances. It might probably cause immediate blindness)
Another protected method is to make use of two items of cardboard in the same method that the box was used above. Simply take one piece of cardboard and poke a gap in it. Maintain the piece with the opening as much as the sun and allow the light from the pinhole to venture an image of the eclipse on to the other piece of cardboard. Once more, DO NOT look through the pinhole at the sun for ANY reason. Unprotected direct viewing of the solar eclipse could cause permanent blindness.
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