1. An apparatus for automated examination of biological material, comprising: a microscope equipped with a moveable cross table; a device for automatic focusing of the microscope by movement of the cross table; a light source; an image recording unit adapted to record at least one image enlarged by an object lens of the microscope; an image evaluation unit in communication with the image recording device; wherein an object slide or an analysis plate having at least one biochip and at least one cover arranged thereon is located on the moveable cross table in a focal range of the object lens, the biochip comprises a surface having labeling detectable by the automatic focusing device and a surface for application of the biological material to be examined such that focusing of the object lens on the biological material is accomplished by focusing of the labeling, and focusing of the labeling is obtained by movement of the cross table by the focusing device such that a target interval of the labeling is arranged by at least one of a location of the labeling and a position of the labeling in the object range, and wherein the biochip is manufactured by fragmentation and division of a cover slip.