So you might have a zoom lens that you take off and put on.

所以你可能会有一个可以拆卸的变焦镜头。

Using a stabilised zoom lens, it was possible to film from a kilometre away, minimising disturbance.

使用稳定的变焦镜头，就可以在一公里外进行拍摄，来减小对他们的打扰。

And I have a zoom lens that can zoom 30 times and still take a high resolution picture.

我有一个变焦镜头，可以变焦30倍，但仍然可以拍高分辨率的照片。

Only through a huge zoom lens could their friends and family below watch their steady progress to the top.

他们的亲朋好友只有通过大的变焦镜头才能看到他们向岩顶稳步前进的身影。

They're the big 35 millimeter cameras and those they have detachable lenses that you can put off and maybe they're...maybe one is a zoom lens.

它们是 35 毫米相机，并且它们有可拆卸的镜头，可能是一个变焦镜头。

When you change your the focal length by changing your lens or zooming in, a zoom lens is just a lens that can change focal lengths.

当您通过更换镜头或放大来改变焦距时，变焦镜头只是可以改变焦距的镜头。

I mean, I had, like, a ticket, but I didn't have a pass, so I shot from the crowd, and I just had, like, a zoom lens.

我的意思是，我有一张票，但没有通行证，所以我从人群中拍摄，而且我只有一个变焦镜头。

A zoom lens is obviously great for shooting subjects that are really far away, but where it's more interesting is for showing off a subject in the foreground and the size of something in the background.

变焦镜头显然非常适合拍摄非常远的物体，但它更有趣的地方在于可以展示前景物体和背景物体的大小。

You can shoot bike photos with it. It's just a regular all-round use lens. It's nice for taking photos but it doesn't give you the extreme look of either the super wide angle lens or your zoom lens.

你可以用它拍摄骑行照片。这只是一个普通的全能镜头。它很适合拍摄照片，但它不会像超广角镜头或变焦镜头那样给你带来极致的视觉效果。

If you stand back when you're shooting with the zoom lens and you zoom in, the background is going to get compressed. It's going to come closer towards the subject that you're shooting and look larger as a result.

如果你用变焦镜头拍摄时退后一步放大，背景会被压缩。它会更接近你拍摄的主题，因此看起来更大。