An endoscope system including: an optical endoscope including a fiber bundle that transmits an optical image； a camera head including an image pickup device； and a video processor including a moiré elimination section, a control section and an enhancement processing section, in which the moiré elimination section uses a processing circuit of the enhancement processing section as a processing circuit of itself by replacing a filter coefficient, the camera head includes a first identifier, the video processor includes a detection section that detects the first identifier, and the control section causes the moiré elimination section to perform moiré elimination processing corresponding to a detection result of the first identifier.
