Barlow lens

基本解释

And you have already studied something about Barlow Lens and Equator Mounts…
而且你已经了解了一些巴洛镜和赤道仪的知识…
Removing the extension tube shortens the spacing to allow any binocular viewer to reach focus without a Barlow lens.
除去延长管缩短间隔让任何的用两眼的观众到达没有一个巴罗镜的焦点。
However, by the nature of its negative power lens, a Barlow will do more than just increase magnification, regardless of the number of elements.
不过，由自然的，其消极力量的镜头，一巴卢会做更多工作不仅仅是增加放大，而不论有多少元素。
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