Filter / Lens: LST® bright VARiO purple mirror Protection level: 1 - 3 (light to dark tint) The combination of LST® bright and VARiO combines the advantages of both technologies: brightening effect, The self-tinting VARiO filters adapt automatically and steplessly to changing conditions Filter / Lens: LST® bright blue mirror Protection level: 2 - 4 (dark to very dark tint ) The combination of LST® blue light and VARiO combines the advantages of both technologies: protection against harmful blue light, especially in the high mountains, intensification of contrasts, harmonization of rapid light-shade changes and stepless self-tinting in changing light conditions. You can tell us the type of vario lens you want, ideally as a message after purchase You are also very welcome to visit.