| 摘要 |
PROBLEM TO BE SOLVED: To provide an omniazimuth photographing device capable of providing a clear and highly accurate photographing image and photographing also the front of a camera in addition to the omniazimuth of 360 deg. around the optical axis of the camera. SOLUTION: The photographing device has a convex mirror, a camera arranged on a position opposed to the mirror and a transparent cylindrical body for connecting the mirror to the camera, a through hole for observing the rear of the mirror is formed on a center part including the top part of the convex mirror, a lens is arranged in the through hole and/or on the extended line of the hole axis of the through hole, and the base end part of a light guiding tube is connected to the mirror surface part side aperture part of the through hole. The light guiding tube is used also as a member for preventing reflection in the inner surface of a cylindrical body and the tip side of the tube extens in the direction of the camera. Since the front of the camera can be photographed through the through hole and the light guiding tube and the light guiding tube is used also as the member for preventing reflection in the inner surface of the cylindrical body, a clear and highly accurate photographing image on which reflected light from the inner surface of the cylindrical body is not photographed can be obtained.
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