autofocusing

例句：

1. 1.The camera has an automatic focus system that automatically adjusts the lens to focus on the subject.
   这台相机有一个自动对焦系统，可以自动调整镜头以聚焦于主体。
2. 2.The photographer used a remote control to autofocus on the subject.
   这位摄影师使用遥控器来自动聚焦于主题。
3. 3. In photography, autofocusing is crucial for capturing clear images in low light conditions.
   在摄影中，自动对焦对于在低光条件下捕捉清晰图像至关重要。