PROBLEM TO BE SOLVED: To provide an endoscope capable of force-sensitively grasping a relative rotational position between an insertion portion and an operation portion.SOLUTION: An endoscope includes an insertion portion having a distal end part and a proximal end part an operation portion provided on the proximal end part of the insertion portion a connection portion relatively rotatably connecting the insertion portion and the operation portion and a force quantity changing mechanisms 43 and 46 provided in the connection portion for changing a force quantity required for the relative rotation between the insertion portion and the operation portion according to the relative rotational position between the insertion portion and the operation portion.
