1. A device for three-dimensional measurement of an comprising: a stereomicroscope of the telescope type, the stereomicroscope having a common objective, a first tube lens, and a second tube lens; a first image sensor associated with the first tube lens and that obtains a first image: a second image sensor associated with the second tube lens and that obtains a first image; and a control unit which determines the three-dimensional shape of the object from the first image and the second image and carries out a predetermined three-dimensional measurement, wherein the first image and the second image are obtained based on established object-side telecentric conditions.