Barlow lens

基本解释

And you have already studied something about Barlow Lens and Equator Mounts…
而且你已經了解了一些巴洛鏡和赤道儀的知識…
Removing the extension tube shortens the spacing to allow any binocular viewer to reach focus without a Barlow lens.
除去延長琯縮短間隔讓任何的用兩眼的觀衆到達沒有一個巴羅鏡的焦點。
However, by the nature of its negative power lens, a Barlow will do more than just increase magnification, regardless of the number of elements.
不過，由自然的，其消極力量的鏡頭，一巴盧會做更多工作不僅僅是增加放大，而不論有多少元素。
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