The invention relates to an optical device (100) for exposure of a sensor device (10) for a vehicle (1) with an optical structure (101) which comprises an arrangement of optical micro elements (101.1) in order to bundle incident light (2) by the optical micro elements (101.1) and direct the light to sensor elements (10.1) of the sensor device (10) respectively, wherein the optical structure (101) is configured such that light (3) which is directed to the sensor element (10.1) can be concentrated for light active areas (10.2) of the sensor elements (10.1).