PROBLEM TO BE SOLVED: To improve the visibility of a button. SOLUTION: A medical image sensor 5 is inserted into a subject and is connected to an insertion portion for capturing a subject image from the subject, and is gripped by a user on a housing 51 and an outer surface of the housing 51. An operation unit 56 having a button 56B provided and receiving an operation by a user, a transmission member 57 having translucency and being provided in the housing 51 to seal the housing 51, and a transmission member 57 are sealed. A light emitting element 58 provided in the internal space Sp of the housing 51 and emitting light for illuminating the operation unit 56 via the transmission member 57, an image pickup element 541 for capturing a subject image, and an image pickup element 541 for capturing the subject image. It is provided with a lens unit 53 that forms an image on the image. [Selection diagram] Fig. 4【課題】ボタンの視認性を向上させること。【解決手段】医療用撮像装置５は、被検体内に挿入されるとともに当該被検体からの被写体像を取り込む挿入部が接続され、ユーザによって把持される筐体５１と、筐体５１の外面に設けられ、ユーザによる操作を受け付けるボタン５６Ｂを有する操作部５６と、透光性を有するとともに筐体５１に設けられることで筐体５１を密閉する透過部材５７と、透過部材５７にて密閉された筐体５１の内部空間Ｓｐに設けられ、透過部材５７を介して操作部５６を照明するための光を出射する発光素子５８と、被写体像を撮像する撮像素子５４１と、被写体像を撮像素子５４１に結像するレンズユニット５３と、を備える。【選択図】図４
