Goal: Providing a vibration-proof lens that can restrict an increase in thickness in the direction of the optical axis.Means: A vibration-proof lens unit comprising a lens holder that holds a vibration-proof lens; a support that supports the lens holder in a manner to be movable within a plane orthogonal to an optical axis of the vibration-proof lens; an engaging section that engages the lens holder with the support such that the lens holder can move (i) in a rotational direction around an axis line parallel to the optical axis of the vibration-proof lens and (ii) in a direction of a rotational radius orthogonal to the axis line; a rotational driving unit that moves the lens holder in the rotational direction; and a linear driving unit that moves the lens holder in the direction of the rotational radius.