The invention relates to an image capturing device (1) including an image sensor (9) which can obtain an infrared image (() 31) and an image () 35 in a visible region through an optical filter array including a first filter element. It has a transmission spectrum band located in the infrared and a second filter element, which has a transmission spectrum band located in the visible light.The image capturing device also includes:-A lighting device ("11") configured to emit infrared radiation, and-A calculator ("13") controls the power of the infrared radiation emitted by the lighting device according to the ambient brightness in the infrared field.The invention also relates to a conductor monitoring system (2) d) including such a d-capture device( chart Abbreviation: Figure 2
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