PROBLEM TO BE SOLVED: To provide an imaging device for endoscopes reliably watertightly holding a plurality of operation rings for variably adjusting optical characteristics and improving workability of cleaning, disinfection, and sterilization.SOLUTION: An imaging device 1 for endoscopes includes: a ring-shaped first operation member 6 for varying optical characteristics by rotational operation a ring-shaped second operation member 7 juxtaposed on the same axis as the first operation member 6 and varying optical characteristics by rotational operation a ring-shaped intermediate frame member 52 provided between the first operation member 6 and the second operation member 7 and a ring-shaped watertight holding part 51 provided on an outer peripheral surface of the intermediate frame member 52 and including a first projection and a second projection integrally formed around the circumference, where the first projection is closely stuck to the first operation member 6 so as to watertightly hold it, and the second projection is closely stuck to the second operation member 7 so as to watertightly hold it.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】光学特性を可変調整する複数の操作リングを確実に水密保持すると共に、洗浄・消毒・滅菌の作業性が向上する内視鏡用撮像装置の提供。【解決手段】内視鏡用撮像装置1は、回動操作により光学特性を可変するリング状の第1の操作部材6と、第1の操作部材6と同軸上に並設され、回動操作により光学特性を可変するリング状の第2の操作部材7と、第1の操作部材6と第2の操作部材7との間に設けられたリング状の中間枠部材52と、中間枠部材52の外周面に設けられ、第1の操作部材6に密着して水密保持する第1の突起部および第2の操作部材7に密着して水密保持する第2の突起部が一体的に周回りに形成されたリング状の水密保持部51と、を具備する。【選択図】図2
