如果您使用的是自动对焦相机，您需要先锁定焦点，这是因为大多数相机将焦点对准取景器中心的物体。

You'll need to lock the focus if you have an auto-focus camera because most of them focus on whatever is in the center of the viewfinder. Try it yourself.

youdao

如果您使用的是自动对焦相机，您需要先锁定焦点，这是因为大多数相机将焦点对准取景器中心的物体。

You'll need to lock the focus if you have an auto-focus camera because most of them focus on whatever is in the center of the viewfinder. Try it yourself.

youdao