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These goggles provide comfortable viewing during all nighttime conditions, and feature an infared illuminator so that they can be employed even in total darkness. There are many different variables that effect the distance that one can see with a nightvision device, among them the object's size, the level of details being sought from the object and the conditions of observation. Nightvision devices detect much further under a full moon and clear skies than they will under a new moon and cloudy skies.
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