A method of processing an image with an analytical device for producing images of organs in an electronic format, wherein the analytical device comprises: a camera unit, comprising a camera objective and a detector; and at least a first and a second optical component (110 to 114) fastenable to the camera unit; wherein the camera unit, without any of the optical components (110 to 114) fastened, is adapted to capture images of skin being the organ; wherein the camera unit is adapted to capture images of a nose, ear or mouth cavity as the organ, if the second optical component is fastened to said camera unit; wherein the camera unit is adapted to capture images of the tympanic membrane or of the external acoustic meatus as the organ, if the first and second optical component are fastened to said camera unit; wherein the first and the second optical components (110 to 114) include respective data structures (116 to 120) including data associated with the respective optical component (110 to 114) and the organ to be imaged; the method comprising at least one of: using the camera unit without any of the optical components (110, 114) fastened for capturing an image of skin; using the camera unit to capture an image of a nose, ear or mouth cavity when the second optical component is fastened to said camera unit; and using the camera unit to capture an image of the tympanic membrane or of the external acoustic meatus when the first and the second optical components (110, 114) are fastened to said camera unit; the method further comprising: transferring, whenever a respective one of the optical components (110 to 114) is fastened to the camera unit, the data from the corresponding data structure (116 to 120) to the camera unit; and controlling the image production by the camera unit based on the transferred data. a camera unit, comprising a camera objective and a detector; and at least a first and a second optical component (110 to 114) fastenable to the camera unit; wherein the camera unit, without any of the optical components (110 to 114) fastened, is adapted to capture images of skin being the organ; wherein the camera unit is adapted to capture images of a nose, ear or mouth cavity as the organ, if the second optical component is fastened to said camera unit; wherein the camera unit is adapted to capture images of the tympanic membrane or of the external acoustic meatus as the organ, if the first and second optical component are fastened to said camera unit; wherein the first and the second optical components (110 to 114) include respective data structures (116 to 120) including data associated with the respective optical component (110 to 114) and the organ to be imaged; the method comprising at least one of: using the camera unit without any of the optical components (110, 114) fastened for capturing an image of skin; using the camera unit to capture an image of a nose, ear or mouth cavity when the second optical component is fastened to said camera unit; and using the camera unit to capture an image of the tympanic membrane or of the external acoustic meatus when the first and the second optical components (110, 114) are fastened to said camera unit; the method further comprising: transferring, whenever a respective one of the optical components (110 to 114) is fastened to the camera unit, the data from the corresponding data structure (116 to 120) to the camera unit; and controlling the image production by the camera unit based on the transferred data. transferring, whenever a respective one of the optical components (110 to 114) is fastened to the camera unit, the data from the corresponding data structure (116 to 120) to the camera unit; and controlling the image production by the camera unit based on the transferred data.