CLAF (Closed-Loop AF) is a precision focusing technology that integrates position feedback control. It achieves fast and accurate autofocus by detecting lens movement in real time and dynamically adjusting based on feedback information. Compared to traditional open-loop control schemes, CLAF features high positioning accuracy, strong anti-interference capabilities, and good focus consistency. Juxin Microelectronics' CLAF solution integrates high-precision position detection and intelligent control algorithms, enabling rapid focus locking, precise positioning, and stable operation. This effectively improves the focusing experience of smart devices in complex shooting environments and is widely used in smartphones, mobile imaging devices, and other fields.