On Thu, Nov 6, 2014, at 10:08 AM, KPL wrote: > Almost every amateur welder often gets to see the welding arc at the > striking moment, if welding with a stick. It's almost inevitable, as > the glass is very dark, and one has to see where the electrode is > pointing to start the weld, so has to lift the mask. > I have done that many times about 15 or 10 years ago, it's really > awful feeling for the first night after that, but then goes away. > Luckily no bad long-term effects so far, and my vision actually gets > checked every year. > It's much less risky when using MIG welder. I have no idea about TIG. My inexpensive auto-darkening helmet works great for MIG but isn't triggered very well when TIG welding, especially if I am facing bright light, say from the sun coming straight in a window and hitting my helmet. Even avoiding those situations it is sometimes slow darkening. The settings on the welder make a lot of difference too. I've used $300 helmets and they seem to work fine, but I don't own one. Yet. Cheers, Bob --=20 http://www.fastmail.fm - Email service worth paying for. Try it for free --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .