Provided is an endoscope system wherein, when a trigger signal generating unit of an endoscope (10) generates a zoom-in or zoom-out trigger signal, a control device (40) identifies the fixation point of an operator in a display image of a display device (30) on the basis of a relationship between a detection signal from a sensor in polarized glasses (50) and a detection signal from a sensor in the display device (30) at the time of generation of the trigger signal, and zooms in or zooms out the peripheries of the fixation point.
