Optical Class: 1/1/1/2 Viewing Area: 98MM X 87MM Cartridge Size: 114MM X 133MM X 10MM Arc Sensor: 4 (In a Staggered Design) Shade State: DIN 4/5-8/9-13 Stepless Variable (Internal) Shade Range: Internal Selection (9-13/5-8) Grinding Function: YES, DIN4 (Internal) Sensitvity Control: Stepless Variable (Internal) Switching Time: <1/30000s (ANSI, +23 °) Delay Time: 0.1-1.0s Stepless Variable … Continue reading Top Gun Titan Series Helmets