Patent ID: 7742692

Claim:
A vibration reduction mechanism, comprising: a movable frame and a fixed frame which move relatively at a time of a blur correction; a guide member which is elongated in a first direction perpendicular to an optical axis, and which guides a relative movement of the movable frame and the fixed frame; a plurality of first engagement portions, spaced relative to each other along the first direction, to engage the movable frame and the guide member, each first engagement portion having a first guide member part provided at a movable frame side of the guide member, and having one of a spherical surface portion or a cylindrical surface portion and a groove portion, and a movable frame part provided on the movable frame at a position corresponding to the first guide member part, the movable frame part having one of a spherical surface portion or a cylindrical surface portion and a groove portion, other than the first guide member part; and a plurality of second engagement portions, spaced relative to each other along the first direction, to engage the fixed frame with the guide member, each second engagement portion having a second guide member part provided at a movable frame side of the guide member and having one of a spherical surface portion or a cylindrical surface portion and a groove portion, and a fixed frame part provided on the fixed frame at a position corresponding to the second guide member part and having one of a spherical surface portion or a cylindrical surface portion and a groove portion, other than the second guide member part, wherein groove portions of at least either one of the plurality of the first engagement portions or the plurality of the second engagement portions are formed with an elongated hole shape extending along the first direction.