An operation lever type (joystick type) endoscope including an operation lever capable of adjusting a bending angle of a bending portion in response to a tilting operation of an operation portion, and an exterior cover an outer periphery portion of which is watertightly fixed to an operation portion body (an operation portion), and an inner periphery portion of which watertightly covers an outer circumference of the operation lever, the exterior cover being capable of deforming by pressure fluctuation inside the operation portion (that is, pressure fluctuation of a sealed space formed inside the endoscope), is provided with a restricting member 90 configured to restrict expansion of the exterior cover by the fluctuation of the internal pressure.
