Method for supporting the installation of a sensor (20, 30) and/or a luminaire (10.1, 10.2) for a lighting system in a lighting environment, the method comprising the steps of: - providing information for determining a detection space area of the sensor (20, 30) or on a lighting space area of the luminaire in a memory; - collecting lighting environment information and determining an at least approximated digital image of the lighting environment, wherein the at least approximated digital image of the lighting environment comprises a data amount or data set allowing the provision of a three-dimensional representation of the lighting environment in such a way that a plurality of perspective views within the lighting environment can be created, comprising: capturing a plurality of 2D camera images taken in different perspectives and assigned signals from a position and orientation detection device (152, 154) assigned to a camera device as well as data processing of the respective image information and the associated signal information including the recognition of objects comprising luminaires and/or sensors through image processing with pattern recognition and if necessary loading further information on the recognized objects to determine the at least approximated digital image of the lighting environment and storing the at least approximated digital image of the lighting environment; - detecting an installation site and/or orientation of the sensor (20, 30) and/or the luminaire (10.1, 10.2); - position and/or orientation-accurate insertion of the detection area of the sensor (20, 30) or the lighting space area of the luminaire (10.1, 10.2) into the at least approximated digital image of the lighting environment. - providing information for determining a detection space area of the sensor (20, 30) or on a lighting space area of the luminaire in a memory; - collecting lighting environment information and determining an at least approximated digital image of the lighting environment, wherein the at least approximated digital image of the lighting environment comprises a data amount or data set allowing the provision of a three-dimensional representation of the lighting environment in such a way that a plurality of perspective views within the lighting environment can be created, comprising: capturing a plurality of 2D camera images taken in different perspectives and assigned signals from a position and orientation detection device (152, 154) assigned to a camera device as well as data processing of the respective image information and the associated signal information including the recognition of objects comprising luminaires and/or sensors through image processing with pattern recognition and if necessary loading further information on the recognized objects to determine the at least approximated digital image of the lighting environment and storing the at least approximated digital image of the lighting environment; - detecting an installation site and/or orientation of the sensor (20, 30) and/or the luminaire (10.1, 10.2); - position and/or orientation-accurate insertion of the detection area of the sensor (20, 30) or the lighting space area of the luminaire (10.1, 10.2) into the at least approximated digital image of the lighting environment.