Provided is an endoscope allowing two operating methods, that is, a surgeon's own manual operation and an operating method using a hand other than the surgeon regarding a hardness adjusting operation. An endoscope includes an insertion part having a flexible part; an operating part continuously provided on a proximal end side of the insertion part; a hardness adjusting mechanism serving as a first driving force input member that is provided from the operating part to the flexible part and adjusts the hardness of the flexible part; an operating ring that is provided in the operating part and is manually operated and inputs a driving force to the hardness adjusting mechanism; and a shaft serving as a second driving force input member that is provided separately from the operating ring and inputs a driving force to the hardness adjusting mechanism.