An endoscope includes a first function portion that is operated and bent with advancing and retracting movement of a first pulling member inserted in an insertion portion a second function portion that is operated with advancing and retracting movement of a second pulling member inserted in the insertion portion a first bending operation portion that is operated to rotate around a shaft to advance and retreat the first pulling member, and provided to an operation portion for operating and bending the first function portion a second bending operation portion that is operated to rotate around a shaft to advance and retreat the second pulling member to operate the second function portion, and disposed to the operation portion with an insertion axis of the insertion portion being placed between the second bending operation and the first rotation operation knob and an operation force amount adjusting portion provided to the second bending operation portion, and adjusting an operation force amount to operate and bend a second bending portion.
