An endoscope system includes an insertion section 4, an image pickup section 34 provided in the insertion section 4, a first optical system 12 configured to project a first subject image onto the image pickup section 34, a second optical system 13 configured to project a second subject image onto the image pickup section, an image generating section 60 configured to generate an image based on the first subject image and the second subject image, a storing section 64 configured to record information for setting a position of a boundary between the first subject image and the second subject image, and an image processing section 61 configured to perform predetermined image processing on the boundary between the first subject image and the second subject image based on the information for setting the position of the boundary.
