exit pupil

常見(jiàn)例句

To calculate exit pupil, divide the aperture (in mm) by the power of the eyepiece being used.
爲(wèi)了計(jì)算出射光瞳，可將孔逕(單位mm)除以目鏡的放大倍數(shù)。
The exit pupil of a telescope is the circular beam of light that leaves the eyepiece being used and is measured in mm.
望遠(yuǎn)鏡的出射光瞳是指射出目鏡的圓形光束的直逕，單位是mm。
Or, you can calculate the exit pupil by dividing the focal length of the eyepiece (in mm) by the focal ratio of the telescope.
或者，你還可以將目鏡的焦距除以望遠(yuǎn)鏡的焦比來(lái)得到出瞳尺寸。