VCM actuators (Voice Coil Motors) are integral to modern autofocus systems in compact camera modules. These actuators provide precise movement of the lens elements by converting electrical energy into linear motion. Using a magnetic field and a coil, VCM actuators enable fast, accurate adjustments to achieve optimal focus, even in small, space-constrained devices. Their high-speed performance and compact design make them ideal for smartphones, cameras, and other portable devices, ensuring clear, sharp images in real-time. The precision and reliability of VCM actuators contribute significantly to the quality of autofocus in advanced optical systems.