2017solar.com - First issues DO NOT attempt to use any type of optical magnifying device to view the photo voltaic eclipse. Binoculars and telescopes pointed at the sun and considered by the human eye can cause instantaneous blindness. Professionals who use optical gadgets that have special filters which permit them to view the event through their instruments.
Joe Citizen, on the other hand, has a few low cost options that may be just as fun. I will briefly describe the preferred methods. Photo voltaic eclipse glasses purchased from an astronomy retailer, a do-it-yourself pinhole viewing field or the cardboard projection method.
Secure photo voltaic eclipse glasses are made from a scratch resistant, optical density 5, black polymer material. They will take away virtually all the infra red, ultra violet and 99% of the harmful seen mild spectrums. These special Solar Eclipse Polarized Sunglasses let you see the eclipse as an orange image. They're low cost, light-weight, and a few manufacturers supply the ability to print advertising information if your group would like to give them away or sell them as promotional items. Regardless that these glasses are safely rated, experts nonetheless recommendation to not view the sun through them for prolonged lengths of time. So, use common sense and watch the eclipse for under short lengths of time.
If you can't find a set of Solar Eclipse Polarized Sunglasses, then your finest wager is to make a pinhole viewer. A pinhole viewer is an oblique methodology of viewing the eclipse. It's a lot safer than any type of glasses or filter because with the intention to use it, your back is to the sun. (It's arduous to burn your optic nerve that approach) To make a pinhole viewer, merely take a medium sized, rectangular field and poke a small hole in the center of one of the short sides. Whereas standing with your back to the sun, put the field over your head with the pinhole side facing the sun. You will note an inverted picture of the eclipse projected on to the alternative side of the box. (CAUTION: Do NOT look through the pinhole underneath any circumstances. It will possibly trigger immediate blindness)
One other secure methodology is to use two items of cardboard in the same approach that the field was used above. Simply take one piece of cardboard and poke a hole in it. Maintain the piece with the opening up to the sun and permit the sunshine from the pinhole to mission a picture of the eclipse on to the opposite piece of cardboard. Again, DO NOT look through the pinhole at the sun for ANY reason. Unprotected direct viewing of the photo voltaic eclipse can cause permanent blindness.
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