Darkening device (10) for an ADAS camera (31), an area size of the darkening device (10) equal to the size of the field of view of the ADAS camera (31) on an inside (3) of a front window (2a) or rear window (2b) Vehicle (1), comprising a layer (11) which can be arranged on the inside (3) and comprises liquid crystal cells (12), the liquid crystal cells (12) being individually controllable and absorbing light when a voltage is applied in order to Camera (31) recorded the position of the sun to darken an image section of the ADAS camera (31), a delay layer (13), arranged between the layer (11) and the ADAS camera (31), to the ADAS camera (31) polarized light regardless of an orientation of the liquid crystal cells (12) relative to the ADAS camera (31). The invention further relates to control device (20, 20a, 20b) for an ADAS camera system (30), an ADAS camera system (30) and a vehicle (1) comprising an ADAS camera system (30).
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