PROBLEM TO BE SOLVED: To provide a small-diameter endoscope 10 with high reliability.SOLUTION: The endoscope 10 has a frame body 20, an imaging unit 30, and illumination units 40 included in the distal end part 11A of an insertion part 11. The frame body 20 includes an imaging unit fitting hole 30H, illumination unit fitting holes 40H, and through-holes 70H, the illumination unit fitting holes 40H and the through-holes 70H being in communication with the imaging unit fitting hole 30H. A communication part 20X between the imaging unit fitting hole 30H and the illumination unit fitting holes 40H has an adhesive agent 79 filled through the through-holes 70H.SELECTED DRAWING: Figure 11COPYRIGHT: (C)2016,JPO&INPIT【課題】信頼性の高い細径の内視鏡10を提供する。【解決手段】内視鏡10は、枠本体と20撮像ユニット30と照明ユニット40とを挿入部11の先端部11Aに具備し、枠本体20に撮像ユニット取り付け孔30Hと撮像ユニット取り付け孔30Hと連通した照明ユニット取り付け孔40Hと透孔70Hとがあり、撮像ユニット取り付け孔30Hと照明ユニット取り付け孔40Hとの連通部20Xに透孔70Hを介して充填された接着剤79を有する。【選択図】図11