An endoscope according to the present invention is an endoscope having an insertion portion to be inserted into a subject, the endoscope being provided with an image sensor which is provided at the distal end of the insertion portion and acquires an image of a subject, A signal cable having a group of signal lines including a plurality of signal lines for transmitting a signal acquired by the image sensor, an insulating tube provided on a part of the signal cable and covering the signal cable, a signal And a filling member filled with a gap formed between the cable and the tube and made of a material having at least a part of a low melting point. 本発明に係る内視鏡は、被検体に挿入される挿入部を備えた内視鏡であって、挿入部の先端に設けられ、被検体の画像を取得する画像センサと、一端が画像センサに接続し、画像センサが取得した信号を伝送する複数の信号線からなる信号線群を有する信号ケーブルと、信号ケーブルの一部に設けられ、該信号ケーブルを被覆する絶縁性のチューブと、信号ケーブルとチューブとの間に形成されている空隙を充填してなり、少なくとも一部が低融点の材料からなる充填部材と、を備えた。