An endoscope includes: an endoscope distal end rigid member; an objective optical system fixing frame; a moving frame; a wire unit including a rigid shaft portion; a wire unit connecting projection portion configured such that a flange having a diameter larger than the rigid shaft portion is screwed to a distal end face side; a first wire unit insertion hole through which a flange of the rigid shaft portion can pass in a state that screwing to the wire unit connecting projection portion is canceled; a lid member; a second wire unit insertion hole configured to be coaxial with a center axis of the first wire unit insertion hole, and through which the flange of the rigid shaft portion can pass; and a sealing member.