| 摘要 |
A mechanism, for optically adjusting a deviation of image forming position, which is installed in a lens barrel, for example, of a camera. The mechanism includes a first image shake preventing afocal lens and a second image shake preventing afocal lens which are supported by a first lens frame and a second lens frames, respectively. Each frame has a shaft supporting portion generally parallel to an optical axis and a gear input portion, for swinging each frame about the shaft supporting portion, opposed to the shaft supporting portion with respect to the optical axis. The first and second lens frames move in a direction generally perpendicular to each other. Each gear input portion is driven by a driving gear which is directly fixed to an output shaft of a driving motor. The motor is installed in the direction which is parallel to the optical axis.
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