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Glasses for the eclipse? (Patreon)

Published:
2017-07-03 01:45:32
Imported:
2021-10

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My Eclipse Goggles

me playing around with some welding goggles to see if I can wear them for the ellipse and also possibly for long periods on an average day. Help me make videos by donating here: https://www.patreon.com/CodysLab

Comments

Anonymous

Would be good to maybe do a video about safe eclipse viewing. Especially in light of recently there was a story going around about these cheap telescopes for sun viewing where the internals were easily dislodged and could potentially blind children. Not sure how to best tackle it without the potential to harm but could at least address the fact that it can be dangerous and something that doesn't also concentrate the light like these goggles might be better.

The Modulator

Thanks for the demo! I am lucky enough to live in the path of totality and I have been experimenting with different commercial eclipse glasses and also adding filters to my regular glasses (sort of like clip-ons). In every case, the sun has been disappointingly dim. I now see that the problem is the one you solved with a blackout seal and you don't have full daylight pouring in from the sides. Thanks for the inspiration. Can't wait for the eclipse!

Anonymous

Sadly I'm about 200 miles from the path of totality :(

Anonymous

Cody, What shade of welding glass are you using? I know you are working hard to produce quality videos so I am going to leave some safety info from NASA and my research. NASA says that welders glass shade #14 or metal coated mylar film that is rated ISO 12312-2 is required for the safe, direct viewing of the sun. They also state that someone should only look at the sun for 3 minutes at a time. <a href="https://eclipse2017.nasa.gov/safety" rel="nofollow noopener" target="_blank">https://eclipse2017.nasa.gov/safety</a> Here is Perkins Observatory take on #14 welders glasses <a href="http://perkins.owu.edu/solar_viewing_safety.htm" rel="nofollow noopener" target="_blank">http://perkins.owu.edu/solar_viewing_safety.htm</a> Another source for viewing the eclipse using #14 glass. <a href="http://www.astronexus.com/gatfaq/solar-filters" rel="nofollow noopener" target="_blank">http://www.astronexus.com/gatfaq/solar-filters</a> Another source for viewing the eclipse using #14 glass. For an example how dark #14 glass is <a href="http://www.ericteske.com/2014/12/examining-cool-14-welders-glass-eclipse.html" rel="nofollow noopener" target="_blank">http://www.ericteske.com/2014/12/examining-cool-14-welders-glass-eclipse.html</a> Here is a chart that a welding instructor created to show the transmission of light of each shade # of welders glass (scroll down to find the chart.) <a href="https://photo.stackexchange.com/questions/38502/how-do-welders-glass-shades-translate-to-stops-when-used-as-an-nd-filter" rel="nofollow noopener" target="_blank">https://photo.stackexchange.com/questions/38502/how-do-welders-glass-shades-translate-to-stops-when-used-as-an-nd-filter</a> Based on my research, a camera with the proper solar filter, using manual exposure is the only way to safely see the sun more brightly during the eclipse than glasses. However, you know the best part, if you are in the plane of totality, is when the glasses come off. I care about your eyes and your viewers and respect NASA's opinion on eclipse viewing safety. I want your viewers to be properly informed in the best and safest way to enjoy the eclipse. Respectfully, Sean

Anonymous

One interesting tidbit from the table of welding lens shades is that stacking Shade 10 and Shade 5 gives you Shade 14. I purchased goggles with fixed clear lenses and flip-up Shade 5 lenses (all 50mm diameter). I plan to move the Shade 5 lenses to the fixed position and put Shade 10 lenses in the flip-up part. That way I can walk around in Shade 5 sunglasses and flip to Shade 14 sun viewing glasses.