Smoke, Snow, fog, and sure elements for instance glass and silicon are transparent, when imaging in SWIR. Meaning the atmospheric affect of fog and smoke disappears inside the shortwave infrared (SWIR) spectrum. Although capturing visuals from the SWIR lacks the color written content on the visible area, SWIR pictures -that https://www.mindvision.ltd/Special-Camera/Short-wave-Infrared-Camera.html