Electra, the technology that revolutionises optics. Electra is the first electronic eyewear that can adjust the lens's darkening according to ambient light. It does this entirely automatically without a battery and in a few hundredths of a second. Electra works like the human eye, only faster: it has unlimited darkness gradations and is almost instantaneous.Irid Blue LensIt is ideal for sunny to moderately bad weather as well as changeable days.Adjusts to ambient light within hundredths of a second.
