Night Vision versus Thermal Imaging

Describes advantages and disadvantages of night vision technologies Night vision goggles and scopes make images from visible light, just like your eyes. So, their familiar greencast images provide excellent situational awareness at night. Unfortunately, magnifying the amount of light in an image is only part of the solution to true night vision. The critical element they don t address is visible image contrast. That s what you really need to be able to see at night. When a target is brighter than its su