| 摘要 |
An imaging apparatus is disclosed. The image apparatus has: a camera body; a viewfinder unit including a frame; a revolving mechanism for revolving the frame; a frictional mechanism including a detachable plate and giving frictional resistance to the frame and maintaining rotation of the frame; and a lock mechanism for locking and unlocking rotation of the frame. The lock mechanism includes a cylindrical member and a manipulating member for locking. When the manipulating member is rotated in one direction, the manipulating member moves the cylindrical member toward the detachable plate. The part of the frame around a pivot-receiving hole is held between the front end of a barrel and the detachable plate. When rotated in the other direction, the manipulating member permits the cylindrical member to move away from the detachable plate.
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