primary optical axis 中文意思是什麼
primary optical axis
解釋
主光軸-
Like the primary mirror, the eyepiece has an optical axis, and this axis should be aimed at the center of the main mirror for best performance ? though in practice it is the center axis of the focuser drawtube that you aim at the primary mirror
目鏡和主鏡一樣也有光軸,光軸應該對準主鏡的中心? ?盡管實際上,目鏡的光軸對準的是調焦筒(相當于調焦座)的中心。
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