Digital night vision device is a very popular detection machine in recent years. Many people are curious about the principle of digital night vision device. Today I will explain the principle of digital night vision device.
Compared with traditional night vision devices, the principle of digital night vision device is completely different. A digital night vision device generally does not use an image extension tube as an image intensifier, but uses a low-illuminance CCD as an image intensifier. The low-illuminance CCD can recognize very dark light, and then convert it into a visible digital signal, which can be displayed on the LCD screen inside the night vision device.
Therefore, the digital night vision device has a built-in LCD screen, while the digital camera is just an external LCD screen. Digital cameras use ordinary CCDs, while digital night vision devices use low-illuminance CCDs.
It is for this reason that the low-light CCD of the digital night vision device is a very critical part of the digital night vision device, just like the image tube of the traditional night vision device.
Compared with traditional night vision devices, the principle of digital night vision device is completely different. A digital night vision device generally does not use an image extension tube as an image intensifier, but uses a low-illuminance CCD as an image intensifier. The low-illuminance CCD can recognize very dark light, and then convert it into a visible digital signal, which can be displayed on the LCD screen inside the night vision device.
Therefore, the digital night vision device has a built-in LCD screen, while the digital camera is just an external LCD screen. Digital cameras use ordinary CCDs, while digital night vision devices use low-illuminance CCDs.
It is for this reason that the low-light CCD of the digital night vision device is a very critical part of the digital night vision device, just like the image tube of the traditional night vision device.