| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a mechanism that improves optical performance when rotating an image shake correction optical system in accordance with a position in an optical axis direction of a lens group constituting an optical device.SOLUTION: An image shake correction device comprises: a stationary member 103 that has contact areas 1031 and 1032; a movable member 102 that has contact areas 1021 and 1022 facing in an optical axis direction with respect to the contact areas 1031 and 1032, and holds an image shake correction optical system 101; a support member 104 that comes into contact with the contact areas 1021 and 1022 and the contact areas 1031 and 1032, and supports the movable member 102 movably in a direction intersecting with the optical axis with respect to the stationary member 103; a guide member 105 that guides the support member 104 in ranges of the contact areas 1031 and 1032, and selectably changes a contact position where the support member 104 is in contact with the contact areas 1031 and 1032; and urging means 106 that urges the movable member 102 and the stationary member 103 in a direction where the movable member 102 and the stationary member 103 are put to closer to each other. In the contact areas 1021 and 1022 and the contact areas 1031 and 1032, a spherical surface different in a radius of curvature is continuously formed in a radial direction.</p> |
