An endoscope system according to the present disclosure includes an apparatus for transferring image data configured to include an image sensor which generates image data and which includes a first image terminal and a second image terminal for transferring at least a portion of the image data, and to include a first optical fiber module and a second optical fiber module which are connected with the first image terminal and the second image terminal respectively an image data input unit configured to be connected with the apparatus for transferring image data and to transfer the image data output through the apparatus for transferring image data via a set path and an image processing unit configured to perform an image processing for the image data transferred from the image data input unit under control of CPU.
