Inspection device for optically checking surfaces of an inspection object, with - a plurality of image-capturing devices; - a plurality of illuminating devices; and with - an inspection location at which an inspection object to be inspected can be positioned in order to carry out an inspection process; wherein - the image-capturing devices and the illuminating devices are arranged in a dome shape around the inspection location; - at least one of each of the image-capturing devices and the illuminating devices can be activated such that the illuminating device illuminates the inspection object at the inspection location and the image-capturing device captures an image of the inspection object at the inspection location; - a specific illumination situation is defined by assigning one of each of the image-capturing devices and the illuminating devices and their relative positions to the inspection object at the inspection location; - consecutively a plurality or all of the image-capturing devices and at least one or consecutively a plurality or all of the illuminating devices can be activated such that overall a multiplicity of images of the inspection object can be captured by the image-capturing devices in different illumination situations; - a support structure is provided on which the image-capturing devices and the illuminating devices are supported in the dome-shaped arrangement; - the support structure has triangular recesses into which the optical units can be inserted from outside, each having an image-capturing device and/or an illuminating device; - at least part of the optical units has a triangular basic shape; and wherein - sloped holding surfaces are provided on the outer side of each optical unit, with which holding surfaces the optical units can be secured, perfectly fitting, in the triangular recesses of the support structure. - a plurality of image-capturing devices; - a plurality of illuminating devices; and with - an inspection location at which an inspection object to be inspected can be positioned in order to carry out an inspection process; wherein - the image-capturing devices and the illuminating devices are arranged in a dome shape around the inspection location; - at least one of each of the image-capturing devices and the illuminating devices can be activated such that the illuminating device illuminates the inspection object at the inspection location and the image-capturing device captures an image of the inspection object at the inspection location; - a specific illumination situation is defined by assigning one of each of the image-capturing devices and the illuminating devices and their relative positions to the inspection object at the inspection location; - consecutively a plurality or all of the image-capturing devices and at least one or consecutively a plurality or all of the illuminating devices can be activated such that overall a multiplicity of images of the inspection object can be captured by the image-capturing devices in different illumination situations; - a support structure is provided on which the image-capturing devices and the illuminating devices are supported in the dome-shaped arrangement; - the support structure has triangular recesses into which the optical units can be inserted from outside, each having an image-capturing device and/or an illuminating device; - at least part of the optical units has a triangular basic shape; and wherein - sloped holding surfaces are provided on the outer side of each optical unit, with which holding surfaces the optical units can be secured, perfectly fitting, in the triangular recesses of the support structure.