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Picked up an inexpensive plasma cutter. Read all the directions, watched many videos. They say use a #5 lens. The only thing I have at the moment is a harbor freight welder's lens. It says #5, but it's impossible to see anything through it. Can barely see the plasma arc. Probably more than a #5 lens ? I have no basis as I've never welded before btw, but will be getting a welder's helmet and start practicing welding soon - for those floors.

What eye protection are you using when cutting floors/sheet metal with a plasma cutter?
 

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Arc Current (Amperes)Minimum Protective ShadeSuggested Shade Number (Comfort)
Less than 2044
20-4055
40-6066
60-8088
80-30089
300-400912
400-8001014


I use my auto-sensing welding helmet. You can adjust the setting once you start using it.
 

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same here- I have an auto tinting helmet as well. I've worn dark shades a few times, but only while cutting short distances, and held the cutter such that it blocked the direct view of the light.
 

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1969 Mach 1 351 Black Jade
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Brighten up the area you are cutting and it helps alot, I had 2 powerfull LED lights aimed at my cut.
 

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Same thing here, I tried using dark glasses, not enough tint. Auto darkening helmet kept darkening then getting light. Had trouble getting it adjusted to right darkness for all the cuts.
 
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