How to Maintain Night Vision Devices

Generally speaking, night vision devices have a wide range of uses, including military, law enforcement, hunting, wildlife observation, surveillance, security, navigation, covert target observation, and recreation.  

Maintenance: The number one cause of damage to infrared night vision devices is use in bright light. Although infrared night vision devices will automatically cut off the circuit to protect the device when overloaded, exposure to strong light will shorten the service life of the infrared night vision device. Exposure to rain, fog, or even high humidity can also damage the infrared night vision device. For use at night, infrared night vision devices are designed to withstand short periods of strong light or humid conditions. Infrared night vision devices have very delicate vacuum tubes, so be sure to protect them from impacts and handle them with care. Clean the infrared night vision device lens in the same way you would clean a camera lens. The lens has an optical coating that can be scratched if it comes into contact with rough materials or if dust gets into the glass. Usually, there is no need to remove the lens to clean the inside. If you do not plan to use it for a long time, it is best to remove the battery and store the infrared night vision device in a cool and dry place.  

Avoid Strong Light: Generally, night vision devices should avoid strong light, because once exposed to strong light, it means that the intensifier tube of the night vision device may be burned out. Why is this? This still needs to be explained from the principle of the night vision device. The principle of the night vision device is to amplify electrons through a microchannel plate, so it needs weak light. Strong light can convert and amplify more photons. At the moment of conversion, the current is too large (should be current), burning the image intensifier and making the night vision device unusable.  

Bad Pixels: The so-called black spots (bad pixels) of the night vision device are a common problem with general night vision devices.