An imaging system includes: an imaging device including an image sensor provided with an electronic shutter function, the imaging device being configured to capture a subject； a light source configured to emit illumination light for illuminating the subject； an identification unit configured to identify which one of a first light source and a second light source configured to emit light having a wavelength bandwidth different from a wavelength bandwidth of the first light source is employed as the light source used for observation； an electronic shutter controller configured to control the electronic shutter function of the image sensor based on a control pattern according to the classification of the light source identified by the identification unit； and an electronic shutter control pattern setting unit configured to set a control pattern of the electronic shutter function in accordance with the classification of the light source identified by the identification unit.
