Do You Really Understand Minimum Illumination? (Sony Video Security Camera)

Do You Really Understand Minimum Illumination? （DM10062V1): Minimum illumination, described in lux on spec sheets, indicates the minimum amount of light required to see a 'useful' image generated by a camera. However, it is risky to compare "minimum illumination" of video cameras only by the numbers of lux on the spec sheets, because the measurement conditions (parameter settings) vary betwe ...