Lens driving device, lens barrel, optical apparatus, and method for assembling lens driving device.

透镜驱动装置，透镜筒，光学设备和组装透镜驱动装置的方法。

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Three-barrel optical hinges for an easy open and close.

三桶为一个简单的打开和关闭的眼镜铰链。

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Three-barrel optical hinges for an easy open and close.

三桶为一个简单的打开和关闭的眼镜铰链。

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