She's not nervous about speaking to a lot of people, but speaking to a TV camera is a different kettle of fish.

她在许多人面前讲话都不紧张, 但在电视摄影机前面讲话就完全是两回事了.

《简明英汉词典》

A portable TV camera focused on him.

一台便携式电视摄影机的镜头对着他.

辞典例句

Which tv camera do you prefer?

你喜欢哪台电视摄像机?

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Finally, the article illustrates the example of designing a zoom lens for professional TV camera.

并给出了专用电视摄像机变焦距设计的实例.

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