4 ms·

the microscope blanks when the arc is fired

• MaxikCZ 4y ago
  What happens if one time it fails? Does it instant blind?
  • monknomo 4y ago
    Looking straight into a welding arc doesn't blind you instantly. Eventually, sure. More rapidly it gives you a lingering after image and feeling like your eyeball is full of sand
    • convolvatron 4y ago
      the 'eyeball full of sand' can last for several days, and really interfere with your normal functioning. that and the greatly increased acceleration of cataract development means really dont look at the blue light.
      • monknomo 3y ago
        oh yes, I can see where my comment might sound like I'm saying it's ok to look at the arc; it's not. It's just that it won't blind you right away
  • michaelt 4y ago
    Auto-darkening welding masks block UV and IR all the time [1] so you're protected against things like arc-eye even if it fails to darken. Also, masks generally fail-safe (to darkened, e.g. for flat batteries) and presumably this welding microscope is designed to the same standard. [1] https://youtu.be/qMyeVXuElkQ?t=333 https://youtu.be/qMyeVXuElkQ?t=333