比如，孔径为60mm(即2.4英寸孔径)的望远镜最大放大率为142x。

For example, the maximum power on a 60mm telescope (2.4 "aperture) is 142x."

youdao

比如，孔径为60mm(即2.4英寸孔径)的望远镜最大放大率为142x。

For example, the maximum power on a 60mm telescope (2.4 "aperture) is 142x."

youdao