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Welding helmets (optics classification)

Posted: Thu Nov 19, 2015 1:24 am
by e_mathison7
I'd like an explanation/examples of what exactly the optic classifications mean. They are;
Optical Class:
Scattered Light:
Homogeneity:
Angular Dependence:

Re: Welding helmets (optics classification)

Posted: Thu Nov 19, 2015 12:35 pm
by ldbtx