Smoke, Snow, fog, and specific elements for example glass and silicon are transparent, when imaging in SWIR. Meaning the atmospheric affect of fog and smoke disappears in the shortwave infrared (SWIR) spectrum. Though capturing pictures in the SWIR lacks the color content material of your noticeable location, SWIR photographs -which https://www.mindvision.ltd/Special-Camera/Short-wave-Infrared-Camera.html