Abstract: The web camera of the present invention is used to capture the external images. The web camera of the present invention comprises a circuit control unit, a focal adjustment module, a focus adjustment button, an image capturing module, and a shutter button, wherein the focus adjustment module has an auto-focus mode and a fixed focus mode; the focus adjustment button is electrically connected to the focus adjustment module and the circuit control unit. The focus adjustment button is used to change the mode of the focus module to the auto-focus mode or to the fixed focus mode; the image capturing module is electrically connected to the circuit control unit, which is used to transform the external images into image signals; and the shutter button is electrically connected to the circuit control unit, which is used to send outward the image capturing signals.