Everlast Welding Helmets PowerVision series

[performance]

John....Now I see the confusion...

I dropped off the . on the number. Its .1 mILLIsECONDS

.0001 seconds to make it simple.

What helmet do you have John?


The cheater lenses are like a flat magnifying lens that affixes to the inside of the filter.

[John.A.]

Mark. Don't remember which helmet I have as not in the shop, but supposedly advertized to switch in under 1/25,000 seconds (40 microseconds). Now does it really?? Well, not sure I have the equipment to measure it...have scope, but not sure if I can find a fast enough photo detector.