| 摘要 |
It is possible to provide an encapsulated endoscope which can float on a liquid introduced into a large organ and can surely capture a wide-range and clear image of the interior of the organ. The encapsulated endoscope (2) includes a case (11) of a capsule shape and an imaging unit (13) fixed and arranged in the case (11). While the encapsulated endoscope (2) is floating on the surface of the liquid introduced into the organ of an examinee, the imaging unit (13) captures an image of the interior of the organ. In such an encapsulated endoscope (2), the center of gravity G of the encapsulated endoscope (2) is set at the position apart from the center C of the case (11). The case (11) is maintained in a particular floating posture. The optical characteristic of the imaging unit (13) is set in accordance of the object in the imaging direction (A1) of the imaging unit (13) which is decided by the floating posture of the case (11).
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