The endoscope 1 includes an operation section 3 connected to an insertion section 2 having a bending section 7 and having a grip section 13 and an operation section main body 14 connected to the insertion section 2 from the distal end side, an operation section main body 14 A bending operation lever 21 of a joystick type which is provided on the back side of the operation section main body 14 and which bends the bending section 7, operation buttons 20 provided on the front side of the operation section main body 14, right and left side surfaces And two guide concave portions 18 which guide the index finger of the user holding the grip portion 13 to the operation buttons 20, respectively.内視鏡1は、湾曲部7を有する挿入部2に連設され、先端側から挿入部2に連設された把持部13および操作部本体14を備えた操作部3と、操作部本体14の背面側に設けられ、湾曲部7を湾曲操作するジョイスティック型の湾曲操作レバー21と、操作部本体14の正面側に設けられた操作ボタン類20と、操作部本体14の先端側の左右側面にそれぞれ膨出形成され、把持部13を把持した使用者の人差し指を操作ボタン類20に導く2つのガイド用凹部18と、を具備する。
