A system designer can compare the light sensitivity of network cameras from different manufacturers by checking the specified lux values of the cameras. Lux is a unit of measurement for illuminance, indicating how much light is needed for the camera to produce a usable image. Lower lux values indicate better low-light performance. While field testing can also be useful, lux values provide a standardized and quick reference for comparison. References: Axis Communications product specifications and industry standards on light sensitivity.
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