该影像产生方法包括：选择一变焦倍数；
The image generating method comprises the following steps: selecting zoom times;
不过这款口袋摄像机不具备光学变焦功能，只支持4倍数码变焦。另外产品还内置了电子防抖功能。
While there is no optical zoom, a 4x digital zoom is standard. Electronic image stabilization also helps correct the traditionally shaky video common to pocket cameras.
VadoHD的视频规格依然只有720p，并且没有光学变焦功能，只支持两倍数字变焦，设备通过USB接口与外界连接。
The camera still shoots at 720p with a fixed optical zoom (but 2X digital) lens and attaches directly through its own USB connector.
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