Viewers can see the stadium from the air, courtesy of a camera fastened to the plane.

由于飞机上安装有摄像机，电视观众可从空中鸟瞰体育场。

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An infrared camera watches for spots where a finger (or similarly sized object) breaks the plane and scatters the light.

红外照相机聚焦的是一根手指(或者相似大小的物体)破坏水平面、散射光线的点。

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This can be a tedious process because the first time you create the plane, you have to rotate the camera and change the focal length at the same time to get a good match.

这个过程可能很乏味，因为你要先建立平面，还不得不去旋转摄像机，并调节焦距以得到好的匹配效果。

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Additionally, it features a macro switching ring on the lens barrel which instantly shortens the minimum focusing distance to approximately 20cm (from image plane), allowing the camera to capture small, close-up subjects with exquisite detail.

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One camera provides the pilot a few from the plane, while another, on the belly of the gadget, is used to help keep the plane steady.

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Until now, the only reliable way to obtain it has been to send a person up in a plane or a helicopter with a camera to get it, which is expensive.

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