Night vision goggles (NVGs) make those greenish pictures we see in the movies and on TV. NVGs take in the small amount of visible light available, magnify it, and project that image onto a display. Unfortunately, NVGs have severe range limitations in lowlight situations. Image contrast is also critical in producing a useable image. If a target has lots of contrast compared to its surroundings, you’ll have a better chance of seeing it wit

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