An object simulation unit for testing a camera objective , wherein the object simulation unit has an optical axis (O) and a front side with respect to the optical axis (O) at one end, comprising: a light exit surface at the front side of the object simulation unit ; a coupling device which is adapted to couple the front side of the object simulation unit to a light entry side of a respective camera objective ; and a light beam generation device which has at least one light source and which is adapted to generate at least one light beam which passes through the light exit surface such that the at least one light beam apparently starts from at least one virtual object which is located at a distance from the light exit surface that is larger than the distance between the light beam generation device and the light exit surface , characterized in that the light beam generation device has a plurality of light sources , wherein: - the position and/or the orientation of the plurality of light sources is/are adjustable such that the distance between the virtual object and the light exit surface of the object simulation unit is variable by an adjustment of the plurality of light sources ; and/or - the light beam generation device furthermore has a plurality of imaging elements , with at least one of the plurality of imaging elements being associated with each of the plurality of light sources , and with the position and/or the orientation of the plurality of imaging elements being adjustable such that the distance between the virtual object and the light exit surface of the object simulation unit is variable by an adjustment of the plurality of imaging elements. a light exit surface at the front side of the object simulation unit ; a coupling device which is adapted to couple the front side of the object simulation unit to a light entry side of a respective camera objective ; and a light beam generation device which has at least one light source and which is adapted to generate at least one light beam which passes through the light exit surface such that the at least one light beam apparently starts from at least one virtual object which is located at a distance from the light exit surface that is larger than the distance between the light beam generation device and the light exit surface , characterized in that the light beam generation device has a plurality of light sources , wherein: - the position and/or the orientation of the plurality of light sources is/are adjustable such that the distance between the virtual object and the light exit surface of the object simulation unit is variable by an adjustment of the plurality of light sources ; and/or - the light beam generation device furthermore has a plurality of imaging elements , with at least one of the plurality of imaging elements being associated with each of the plurality of light sources , and with the position and/or the orientation of the plurality of imaging elements being adjustable such that the distance between the virtual object and the light exit surface of the object simulation unit is variable by an adjustment of the plurality of imaging elements. - the position and/or the orientation of the plurality of light sources is/are adjustable such that the distance between the virtual object and the light exit surface of the object simulation unit is variable by an adjustment of the plurality of light sources ; and/or - the light beam generation device furthermore has a plurality of imaging elements , with at least one of the plurality of imaging elements being associated with each of the plurality of light sources , and with the position and/or the orientation of the plurality of imaging elements being adjustable such that the distance between the virtual object and the light exit surface of the object simulation unit is variable by an adjustment of the plurality of imaging elements. <EOS>