Provided is an endoscope in which an upright operation mechanism is provided in an operation unit, which can prevent the grip of the operation unit from increasing in size. The endoscope of the present invention includes an operation portion 22 having an operation portion main body 32, a grip portion 34 that is connected to the operation portion main body 32, and an extension portion 36 that extends from the grip portion 34 toward the distal end side. An insertion portion 24 provided on the distal end side of the extension portion 36, a stand 30 provided on the distal end portion 26 of the insertion portion 24, and an extension portion 36 provided in conjunction with the operation of the standing operation lever 20. A movable member 96 that is operated in a moving manner； A mounting member 98 that is detachably engaged with the member 96 with one touch.操作部に起立操作機構が設けられた内視鏡において、操作部の把持部が大型化することを防ぐことができる内視鏡を提供する。本発明の内視鏡は、操作部本体３２と、操作部本体３２に連設された把持部３４と、把持部３４から先端側に向かって延出した延設部３６とを有する操作部２２と、延設部３６の先端側に設けられた挿入部２４と、挿入部２４の先端部２６に設けられた起立台３０と、延設部３６に設けられ、起立操作レバー２０の操作に連動して動作する可動部材９６と、先端側が起立台３０に連結され、基端側が可動部材９６に連結され、可動部材９６によって押し引きされるワイヤ６０と、ワイヤ６０の基端に設けられ、可動部材９６にワンタッチで着脱自在に係合する取付部材９８と、を備える。
