Answer by Loduwijk for Eye safety when starting a fire with a magnifying glass
I have found an answer that seems counter-intuitive: add even more light. You can make the spot even brighter, larger, and hotter by catching more light with a larger magnifier. This sounds like the...
View ArticleAnswer by Ed B. for Eye safety when starting a fire with a magnifying glass
I agree with Erik that the best approach is to use charcloth. It will light in seconds and allow you to transfer the embers to a birds nest for a quick start to your fire. Otherwise, yes, I've also...
View ArticleAnswer by James Jenkins for Eye safety when starting a fire with a magnifying...
Use a non-battery welding mask glass. You can carry it in the same pouch as your magnifying glass. One can be Purchased new for a couple of dollars. They can also be had second hand.
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Answer by ShemSeger for Eye safety when starting a fire with a magnifying glass
One option would be to use snow glasses. They've been used for centuries to prevent snow blindness, and work by limiting the amount of light that can enter your eyes. They are simple to make, and can...
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Answer by Erik vanDoren for Eye safety when starting a fire with a magnifying...
Use your finger.Equally to using your finger to cover the sun when trying to spot something in the sky you can use the principle to cover the bright spot.You will be closing one eye and putting the...
View ArticleAnswer by Charlie Brumbaugh for Eye safety when starting a fire with a...
I would just use eclipse glasses. As they are safe to look directly at the sun with, then they should be fine to look at the bright spot caused by the magnifying glass.Just make certain that they are...
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Eye safety when starting a fire with a magnifying glass
TL;DRWhat are some reasonable (ie: safe, portable, reusable) ways to start a fire with a magnifying glass without damaging my eyes from staring at the focused sunlight?BackgroundI recently started...
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