Answer
Dec 20, 2022 - 02:03 PM
The EN Optical Clarity is a way of ranking different aspects of how clearly you will see through the welding lens. With #1 being the highest rating, 1/1/1/1 ensures the best attainable visibility, minimize distortion and maximizing clarity. The Fabricator has a great article explaining in depth at this link:
https://www.thefabricator.com/theweld...
https://www.thefabricator.com/theweld...