Webcam with expandable objective, comprising:at least one image module (20) including a lens (21), an image sensor (22), a image signal processor (23), a video encoder employs (25) and a usb cable (24); anda webcam-main-body (30), which a plurality of usb connections (31), a central processing unit (32) and at least one signal output-interface (33), wherein at least one image module (20) via a usb cable (24) in any one of the individual usb ports (31) can be inserted, and wherein the image sensor (22), the digital video images via the lens (21), wherein the recorded images detected by the image signal processor (23) and the video encoder employs (25) and then can be processed by means of the usb cable (24) on the webcam-main-body (30) are 5, and wherein the digital video images by means of the central processing unit (32) and can be processed can be converted into desired signals, and wherein the digital video images then via the signal output-interface (33) can be output.
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