PROBLEM TO BE SOLVED: To downsize a camera part and avoid an increase in temperature of the camera part.SOLUTION: An endoscope device 3 includes a camera part 6 having an imaging part 65 that receives light and converts it to an electric signal, a first cable 7, one end of which is connected to the camera part 6, for transmitting the electric signal, an electric-optic conversion part 86 connected to the other end of the first cable 7 for converting the electric signal transmitted by the first cable 7 to an optical signal, an operation part 8 having a switch 84 for receiving a user operation, a second cable 9, one end of which is connected to the operation part 8, for transmitting the optical signal, and a connector part 10 provided to the other end of the second cable 9 for connecting the other end of the second cable 9 to external equipment.SELECTED DRAWING: Figure 2【課題】カメラ部の小型化を図り、かつ、当該カメラ部の温度上昇を回避すること。【解決手段】内視鏡装置３は、光を受光して電気信号に変換する撮像部６５を有するカメラ部６と、一端がカメラ部６に接続され、電気信号を伝送する第１ケーブル７と、第１ケーブル７の他端に接続され、第１ケーブル７にて伝送された電気信号を光信号に変換する電光変換部８６、及びユーザ操作を受け付けるスイッチ８４を有する操作部８と、一端が操作部８に接続され、光信号を伝送する第２ケーブル９と、第２ケーブル９の他端に設けられ、第２ケーブル９の他端を外部機器に接続するコネクタ部１０とを備える。【選択図】図２
