The eye protection that we want to use that allows a quick transition of the lens to adjust from light to dark conditions and vice versa. Here is a video of such product using LCD technology from the Army News Service... "Maj. Juan F.
The eye protection that we want to use that allows a quick transition of the lens to adjust from light to dark conditions and vice versa. Here is a video of such product using LCD technology from the Army News Service... "Maj. Juan F.