An imaging means 13 for the camera body 2 to be introduced into the body, is incorporated in the camera body 2, and to capture a subject, is disposed movably on the camera body 2, taken of the imaging unit 13 regardless of the moving position a transparent cover member 21 for covering the sides, and moving means for moving the cover member 21, disposed in the imaging range of the imaging unit 13, the surface portion facing the cover member 21 that has moved to the imaging range of the imaging unit 13 By providing the, the cleaning means 15, 16, 17 and 18 for cleaning by ejecting a fluid, even when it is cloudy, thereby removing the deposits of dirt, without interfering with the observation, and observations always clear I obtained the image.体内に導入されるカメラ本体2と、カメラ本体2に内蔵され、被写体を撮像するための撮像手段13と、カメラ本体2に可動自在に配設され、可動位置に関係なく常に撮像手段13の撮影側を覆う透明なカバー部材21と、カバー部材21を可動させる可動手段と、撮像手段13の撮像範囲外に設けられ、撮像手段13の撮像範囲外に移動したカバー部材21の対向する表面部分に流体を噴出して洗浄する洗浄手段15,16,17,18と、を具備することにより、曇り、汚れなどの付着物を除去しているときにおいても、観察を妨げることなく、常にクリアな観察画像を得られる。
