The endoscope device (1) has image pickup feature in the Tip, the buckling possible interposition section (10) with, the indicatory department which displays the image which is acquired with observation means (40) with, the function part which does the buckling manipulation of the interposition section (20) with, the indicatory department and the function part are stored on front side, the frame where the interposition section is jointed to the rear side which is opposite to the front (61) with have, the rockable first joystick (21) possess the function part, the first joystick is laid out in the basic destal and the same axis of the interposition section which is jointed to the frame,The rear of the frame at least part is configurated, in order basic form to become convex facing toward the basic destal of the aforementioned interposition section, the region which becomes convex, when the user containment the frame, is the grip aspect where the finger is laid out, the interposition section is jointed to the frame on the grip aspect.内視鏡装置(1)は、先端部に撮像機構を有し、湾曲可能な挿入部(10)と、観察手段で取得された画像を表示する表示部(40)と、挿入部の湾曲操作を行う操作部(20)と、正面側に表示部および操作部が収容され、正面と反対の背面側に挿入部が接続された筐体(61)とを備え、操作部は、揺動可能な第一ジョイスティック(21)を有し、第一ジョイスティックは、筐体に接続された挿入部の基端部と同軸に配置され、筐体の背面の少なくとも一部は、基本形状が前記挿入部の基端部に向かって凸となるように設定され、凸となる部位は、使用者が筐体を保持するときに指が配置される把持面であり、挿入部は、把持面において筐体に接続されている。
