| 摘要 |
When a voltage is applied between outside electrodes and a common electrode that constitute driving parts of a driving unit provided between a holder holding a lens and a lens barrel, as shown in FIG. 9, respective dielectric elastomers provided in the driving parts are slightly deformed in a direction that is crushed in an X 1 -X 2 direction. Thus, the entire lens can be slightly moved in the direction of an arrow (X 2 -direction). This enables an optical axis O'-O' of the lens to coincide with or get closer to a reference optical axis.
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