There is provided an endoscope capable of realizing equal operability by either a left or right hand without upsizing an operation portion. For this purpose, an operation portion 3 is formed in a bilaterally symmetrical shape a suction button 41a and a bending lever 45 are disposed at a center in a left and right width direction of the operation portion 3 facing each other and respective arm portions 54b are disposed in a state of being rotated around a central axis OI of the bending lever 45 by a predetermined angle relative to up, down, left and right tilt directions defined for the bending lever 45.
