The Jackson® Safety Translight™ 555 provides the highest standards in the industry in optical clarity with an ADF score of 1/1/1/1, switching speeds of 1/25,000 seconds, as well as Jackson’s patented 370 Speed Dial ratcheting headgear system – an industry best. . Translight™ 555 has a modern, carefully designed, sleek, ergonomic super-lightweight shell and ADF, ensuring minimal operator strain and fatigue. True Color technology and a large 12.47 sq. in. viewing area provide a clear, detailed view of the weld puddle to help improve accuracy and reduce eye strain 1/1/1/1 optical clarity rating and a 1/25,000-second switching speed deliver exceptional visibility and fast darkening for dependable protection during welding operations External grind button and shade adjustment control allow quick mode changes and precise shade customization up to ±1 shade in 0.2 increments for improved productivity and visual comfort Lightweight ergonomic shell helps reduce neck strain and fatigue during extended welding applications while providing a comfortable fit throughout the workday Patented 370 Speed Dial ratcheting headgear system provides secure, customizable fit adjustments for enhanced comfort and stability