英语语法分析

To calculate exit pupil, divide the aperture (in mm) by the power of the eyepiece being used.

为了计算出射光瞳，可将孔径(单位mm)除以目镜的放大倍数。

An eyepiece with wide apparent field (in degrees) and lower powers used on a telescope allow wider fields of view.

较宽的目镜视场搭配较低的放大率可以得到更宽的视场角。

After range finding, "0000" displayed on displayer on the upside of right eyepiece indicates no laser, reasons may.

当测距之后，左目镜上排显示器显示“0000”，表示无激光。产生无激光原因是。