Periscopic optical zoom module and assembly method therefor, and corresponding adjustable optical assembly

An adjustable optical assembly for an optical zoom module, characterized by the adjustable optical assembly comprising:

• a bearing base, a driving mechanism, a zoom optical assembly, and a compensating optical assembly,
• wherein the driving mechanism comprises:
• a bracket having a bottom end connected to the bearing base and a top end having a top groove open upwards;
• guide rods supported on the top groove and coinciding with the direction of optical axes of the zoom optical assembly and the compensating optical assembly;
• a zoom bearer having a first through hole, the zoom optical assembly being mounted in the first through hole;
• a compensating bearer having a second through hole, the compensating optical assembly being mounted in the second through hole;
• a zoom driving assembly comprising a zoom coil and a zoom magnetic element;
• and
• a compensating driving assembly comprising a compensating coil and a compensating magnetic element,
• wherein the zoom bearer is mounted on the guide rods and is slidable along the guide rods under the drive of the zoom driving assembly, the compensating bearer is mounted on the guide rods and is slidable along the guide rods under the drive of the compensating driving assembly, the zoom coil and the zoom magnetic element are fixed to the bearing base and the zoom bearer respectively, and the compensating coil and the compensating magnetic element are fixed to the bearing base and the compensating bearer respectively;
• and
• a height of a top surface of the guide rods does not extend beyond a top surface of the zoom bearer;
• or the height of the top surface of the guide rods is higher than the top surface of the zoom bearer, and a height difference between the top surface of the guide rods and the top surface of the zoom bearer is not more than 0.4 mm.