The lens with the S2 category is the most versatile. It will work well on a slightly cloudy day as well as when the sun is not too strong. It absorbs between 57 and 82% of light and has a slightly darkened surface.

The photochromic windscreen provides comfort when driving in changing weather and lighting conditions. The photochromic lens adjusts the degree of darkening itself, protecting the eyes from sudden glare and preventing insufficient visibility when driving into shaded areas.