Yes, it is possible to view an eclipse with a welding mask or welding goggles, but it is important to use the correct shade of filter. According to NASA, the only safe way to look directly at the uneclipsed or partially eclipsed sun is through special-purpose solar filters, such as "eclipse glasses" or hand-held solar viewers. These should meet the ISO 12312-2 international safety standard. Welding masks or goggles with shade numbers less than 12 should not be used to view the sun or an eclipse, as they do not provide adequate protection.
In terms of product details, welding masks or goggles typically have adjustable shades that can be changed depending on the type of welding being done. The shade number refers to the darkness of the filter, with higher numbers indicating darker filters. For example, a shade 10 filter is suitable for welding at 200-300 amps, while a shade 12 filter is suitable for welding at 300-400 amps.
In terms of positive and negative aspects, welding masks or goggles can be a convenient and affordable way to view an eclipse, especially if you already have them on hand for welding purposes. However, it is important to use the correct shade of filter to avoid eye damage. Additionally, welding masks or goggles may not provide as clear or detailed a view of the eclipse as specialized solar filters.
In terms of ingredients or materials, welding masks or goggles typically have a plastic or glass lens with a filter made of a special type of glass that blocks harmful ultraviolet and infrared radiation. The frames may be made of plastic or metal, and may have adjustable straps or other features for a comfortable fit.
References: https://eclipse2017.nasa.gov/safety https://www.lincolnelectric.com/en-us/support/welding-solutions/Pages/selecting-proper-lens-shade.aspx
