An endoscope attachment according to the present invention is disposed in a distal direction from a distal end of an endoscope insertion portion of an endoscope, and a part of light emitted from a light source of the endoscope is distant from the light source. A light-shielding member that shields light at a position separated from the distal side, and a support unit that is connected to the endoscope insertion portion and can hold the light-shielding member at a position separated from the distal end of the endoscope insertion portion. Prepare.本発明の内視鏡用アタッチメントは、内視鏡の内視鏡挿入部の遠位端より遠位方向に配置され、前記内視鏡の光源から発せられる光の一部を前記光源よりも遠位側に離間した位置で遮光する遮光部材と、前記内視鏡挿入部と接続され、前記遮光部材を前記内視鏡挿入部の遠位端から離間した位置に保持可能な支持部と、を備える。
