To provide an endoscope preventing a rotating shaft that raises a standing table from being tilted.SOLUTION: In an endoscope capable of inserting a treatment instrument, there are provided: an end hard part which is disposed at an end and forms an opening where a treatment instrument protrudes； a treatment instrument standing table 12 which is positioned in the opening and changes directions in which the treatment instrument protrudes； a rotating shaft 13 one end of which is fixed to the treatment instrument standing table 12 and which is integrally rotatable； an arm part 14 which is fixed to the rotating shaft 13 and is rotated； a housing 15 which has a first bearing part 15a in which a first shaft hole 15aa rotatably supporting the rotating shaft 13 is formed and a second bearing part 15b which is positioned opposite the first bearing part 15a with respect to the arm part 14 in a shaft direction and in which a second shaft hole 15ba coaxial to the first shaft hole 15aa rotatably supporting the rotating shaft 13 is formed； and a seal member positioned between an outer periphery of the rotating shaft and an inner periphery of the first shaft hole 15aa.SELECTED DRAWING: Figure 2【課題】起上台を起上させる回転軸が傾くことを防止した内視鏡を提供する。【解決手段】処置具を挿通可能な内視鏡において、先端に配設され、処置具が突出する開口部が形成されている先端硬質部と、開口部内に位置し、処置具が突出する方向を変化させる処置具起上台１２と、一端が処置具起上台１２に固定されて、一体的に回転可能な回転軸１３と、回転軸１３に固定されて、回転させるアーム部１４と、回転軸１３を回転可能に支持する第１の軸穴１５ａａが形成されている第１軸受け部１５ａ、及び軸方向において、アーム部１４に対して第１軸受け部１５ａと反対側に位置し、回転軸１３を回転可能に支持する第１の軸穴１５ａａと同軸な第２の軸穴１５ｂａが形成されている第２軸受け部１５ｂを有するハウジング１５と、回転軸の外周と第１の軸穴１５ａａの内周との間に位置するシール部材と、を備える。【選択図】図２
