The device comprises a head assembly, on which two cameras, each with an associated monitor for displaying a respective image of the respective camera are arranged so that optical axes of the monitors coincide with optical axes of the eyes of a user of the device or at least parallel to the optical axes of the Eyes of a user are alignable. The device further comprises a data processing unit for data processing camera images. The device is characterized in that the cameras are synchronized with each other so that they focus on a common point with the same aperture and the same zoom. The device according to the invention enables 3D scanning, which is controlled by natural vision with two eyes.
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