binocular viewer

基本解釋

Removing the extension tube shortens the spacing to allow any binocular viewer to reach focus without a Barlow lens.
除去延長(zhǎng)琯縮短間隔讓任何的用兩眼的觀衆(zhòng)到達(dá)沒(méi)有一個(gè)巴羅鏡的焦點(diǎn)。
This feature, unique among premium quality refractors, allows the widest low-power fields possible with a binocular viewer, for truly panoramic and almost three-dimensional deep space images.
這一個(gè)特征，獨(dú)特的在高級(jí)的質(zhì)量折射躰之中，允許最寬的低通光量可能的與一個(gè)用兩目的使用者，爲(wèi)真正全景三維空間的宇宙深部景象。
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