electronic spectacles , especially night vision spectacles , include a camera , integrated into the spectacles , as the primary recording device for the user of the spectacles . the camera has a special camera lens and a ccd sensor or a cmos sensor . an image processing unit mounted downstream of the camera processes the image taken by the camera and provides an output for display means which are associated with each eye for displaying the image . a reproduction lens system is mounted downstream of each display means . at least one transmission and / or reception interface is connected to an additional camera , separate from the spectacles , by signals . the image signals of the additional camera are available via the interface to the display means for displaying the image of the additional camera .