The #10 shade is what you’ll normally use for welding, the #13 is for arc gouging or bright situations, i like the #10 because you can see beyond the puddle, if you have a scribe or chalk mark you’ll be able to see it. if you oxy-acetylene cut you may want to look for one that adjusts down to #8 or so. the higher the bottom number the faster the switching speed i worked under what is now an antique and never got flash burned. as for the view area the larger the more money, although some have difficulty welding with the standard view area 3x2, glasses, melon-head. solar is good if u weld quit a bit, its actually the uv from the arc that recharges the hood so if you haven’t welded in a bit the hood may not darken. that’s where battery backup comes in. ir infra-red is the heat that radiates from the weld i wouldn’t pay extra for protection from that, it would be for someone welding in confined spaces. uv ultra-violate is the protection your looking for but even the lowest they offer will be more than enough. a good hood for the shop $80-$110. ANSI is just the min. requirements the hood meets it could have more but not less. features? Stylish graphics! just make sure it has an adjustable head band.
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