利用库存左侧灯杆的绳子。
仔细观察一下这张有一盏落地式火炬灯的照片,左侧是在f/22的光圈拍摄的:火炬灯为焦点,你可以看出背景中的树木和房屋,这就是我们说的大景深。
The left side was shot at f/22: The torch is in focus, and you can make out the tree and the house behind it. That's a large DOF.
注意到平面图中显示的左侧的一盏灯处于开启状态,而右侧的一盏灯处于关闭状态。
Notice that the floor plan shows a light on the left that is turned on and a light on the right that is turned off.
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