An image capturing device includes a lens, an image sensor, a focusingunit, a flashlight and a flashlight control unit.
一种影像撷取装置，其包括：一个镜头、一个影像感测器、一个对焦单元、一个闪光灯及一个闪光灯控制单元。
2
A controller drives the objective lens via a focusingunit, and detects peaks in the reflected light signal obtained when the objective lens is driven in a focusing direction.
控制器经聚焦单元驱动物镜，并且检测在当在聚焦方向上驱动物镜时得到的反射光信号中的波峰。
3
A page is a good unit for focusing on a particular data item or a single task, but most often the information domains in which we work include several data types and have complex or multiple tasks.