For IPL eyewear are considered shade 3 to a shade 5 - this is a welding standard accepted with IPL eyewear. We do not state any optical density information in relation to wavelengths for these products.
For IPL eyewear are considered shade 3 to a shade 5 - this is a welding standard accepted with IPL eyewear. We do not state any optical density information in relation to wavelengths for these products.