Some welders’ sticks to standard welding helmets, now, auto darkening helmets are gaining popularity in the market. Auto darkening helmets decreases the penetration of light whenever it is energized so that the lens appears dark in the center but light towards the outer areas. It also gives lighter, clearer,views in angles that are not perpendicular to the surface of the filter. The helmets that have auto dark lens makes work more comfortable and easy. They normally come with a filter that protects eyes from ultraviolet rays or infra-red rays. Since this type of welding helmets darken and lighten up automatically, those who use it does not need to take it off as they work. There is no need to adjust the shade since it is quite automatic. Though it costs more than normal helmets. The price of auto darkening helmets ranges very high, more expensive helmets offers more features are more flexible and possesses durable materials.