Night Vision vs. Thermal Imaging
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Night vision and thermal imaging are two different technologies for observing objects in low light or total darkness. They differ in their principles and observations.
The night vision device is actively receiving and imaging. It is a device that enhances the image by amplifying weak light sources. It is usually used in no-light or extremely low-light environments. It uses photon detectors to detectweak light signals, which are then amplified by electronic amplifiers, allowing us to see objects at night. Night vision devices can observe objects that can emit a certain amount of light, such as artificial light sources, stars, and the moon. In scenes of total darkness, night vision devices cannot provide effective images.
Different from night vision devices, thermal imaging technologyproduces images by receiving infrared light emitted by the object itself, and does not require active emission, even if it is completely dark, it will not be affected. The imaging is defined according to different objects, different temperatures and different strengths of radiation to the detected infrared. Display mode a variety of styles, including the common white heat, black heat, pseudo-color, etc.
Since night vision devices and thermal imaging technologies are different in application scenarios and observation effects, it is necessary to evaluate according to actual needs when selecting a suitable instrument. Currently, night vision devices are mainly used for military, law enforcement, hunting, field observation, surveillance, security, navigation, hidden target observation, entertainment, etc. Thermal imaging can be used to detect signs of life hidden within walls or building structures, spot hidden wildlife, vehicle-mounted cameras and more.
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