The use of thermal devices has changed the way we look at the environment in which we shoot. This applies whether we are using a handheld or gun-mounted device.
Thermal imagers rely on a heat source and these work day or night. Nothing can hide from the thermal’s gaze if unobstructed and the faintest trace of heat will give a very obvious signature for you to look at. In contrast, night vision relies on enhancing available light sources to gain an image and this is not always possible.
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