Optical pickup

An optical pickup for driving objective lenses in a focusing direction and in a radial direction, the pickup comprising:

• a movable member including a center portion, a first side and a second side, the first side and the second side being apart from each other in the radial direction so as to flank the center portion;
• a plurality of objective lenses provided at the center portion of the movable member;
• a first coil block and a second coil block provided at the first side and the second side of the movable member, respectively;
• a first pair of magnets flanking the first coil block in a tangential direction perpendicular to both the focusing direction and the radial direction;
• a second pair of magnets flanking the second coil block in the tangential direction;
• a plurality of support members attached to the first side and the second side of the movable member in a manner such that the movable member is movable in the focusing direction and the radial direction;
• and
• a reflector facing the center portion of the movable member;
• wherein each of the coil blocks comprises a focusing coil and a tracking coil, the focusing coil having a coil axis extending in the focusing direction and being provided for driving the movable member in the focusing direction, the tracking coil having a coil axis extending in the tangential direction and being provided for driving the movable member in the radial direction, the tracking coil being provided on an outer side of the focusing coil, and
• wherein the center portion of the movable member is thinner than the first side and the second side of the movable member.