1. An apparatus ( 100 ) for detecting precipitation on a windscreen ( 20 ) for a motor vehicle, the apparatus comprising a camera device ( 101 ), which is designed such that it records a first image at a first moment and a second image at a second moment following the first moment; a comparison device ( 102 ), which is designed such that it produces a first comparison image by comparing the first image with the second image; and an image detection device ( 103 ), which is designed such that it identifies objects on the first comparison image.