An endoscope includes: an insertion portion an operation portion a bending wire that causes a bending portion to bend by pulling a bending operation member that gives pulling force to the bending wire by swinging an operation force reduction portion including a spring that can press the bending operation member and a semi-fixation mechanism switch operation member that makes a switch to a pressing state, in which the spring presses the bending operation member, and to a non-pressing state.
