Westudiedthetopicofdepthsensingcameracalibration.TwodevicesMicrosoftKinect andSwissrangerSR-4000,thatworkondifferentphysicalprinciples,wereinvestigated. Both3Dcamerasweredescribedandsubjectedtoexperimentsinordertoevaluate theirperformance.Severalsystematicerror