The endoscope apparatus includes a main body portion, a first insertion portion, and a connector portion. The first insertion unit includes a first image sensor, a first video signal transmission unit that outputs a first video signal, and a first signal that metal-transmits a first non-video electric signal from the main body unit. And a transmission unit. The connector section includes a main body section connector and a first insertion section connector. When the main body section connector and the first insertion section connector are connected, signal transmission of the first video signal and the first non-video electric signal is performed. I do.内視鏡装置は、本体部と、第１の挿入部と、コネクタ部と、を含む。第１の挿入部は、第１の撮像素子と、第１の映像信号を出力する第１の映像信号伝送部と、本体部からの第１の非映像電気信号をメタル伝送する第１の信号伝送部と、を有する。コネクタ部は、本体部コネクタと、第１の挿入部コネクタとからなり、本体部コネクタと第１の挿入部コネクタとの接続時に、第１の映像信号および第１の非映像電気信号の信号伝達を行う。
