Monitor the camera with high illumination and low light
Is the brightness of the shooting scene requirements. Low-light camera in a dark environment to shoot a more bright scene.
The lower the illumination, indicating that the camera on the shooting scene brightness requirements lower.
The minimum illuminance of the surveillance camera is the scene illumination value when the level of the video signal of the camera output is low to a certain value when the illuminance of the subject is low to a certain extent, and the value is smaller, indicating that the camera The higher the sensitivity. In addition, the minimum illumination will be changed according to the F value of the lens.
