Wide angle and Zoom lens;

广角镜与长镜；

I have a camera with a zoom lens.

我有架带有变焦镜头的照相机.

Has a capacity of 5 optical zoom lens.

拥有5倍光学变焦能力镜头。

Built-in zoom lens, night vision distance of 50 meters;

内置变焦镜头，夜视距离达50米；

The invention relates to a camera lens, and discloses a camera lens zoom method a zoom lens using this zoom method.

本发明涉及镜头，公开了一种镜头的变焦方法，及使用该变焦方法 的变焦镜头。

Some foreign companies have succeeded in developing a new type of liquid zoom lenses. Liquid lens is a kind of unlimited zoom lens.

国外某些大公司开始使用液体作为透镜的主要组成部分，研制出新型的液体变焦透镜，取得了很大成功。

If you want the utmost in sharpness, don't buy a zoom lens.

如果你追求绝对锐度，那就别买变焦镜头。

The next chapter talks about the theory of zoom lens design.

紧接着,分析了变焦距系统的高斯光学,论述了变焦距系统设计的理论.

Lifting up her camera, she took out a zoom lens and put it on.

她举起照相机, 取出一个变焦距镜头换上.

One of these may be a zoom lens, which can focus off object far or near.

镜头之一为变焦镜头，可以拍近也可拍远。