When the telescope optical axis isnt perpendicular to the platform rotary axis strictly,the image that is caused by reflecting via double-face flat speculum of the bright cross will have some changes.
英
美
- 深入分析分光計的望遠鏡光軸與載物臺旋轉軸不嚴格垂直時(shí)出現的望遠鏡筒中的亮十字物經(jīng)載物臺上的雙平面鏡所反射的十字物的像的變化;簡(jiǎn)述準確快速調節望遠鏡光軸與載物臺旋轉軸嚴格垂直的方法。