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.
深入分析分光计的望远镜光轴与载物台旋转轴不严格垂直时出现的望远镜筒中的亮十字物经载物台上的双平面镜所反射的十字物的像的变化;简述准确快速调节望远镜光轴与载物台旋转轴严格垂直的方法。
A Skill of Adjusting Optical Axis of Telescope Perpendicular to Central Axis of Spectrometer
望远镜光轴与分光计主轴垂直的调节技巧
elbow refractor
折轴反光望远镜;折轴折射望远镜;曲折折光计
Baffle Design and Stray Light Analysis of the Off-axis Three-mirror Telescope
离轴三反射望远镜遮光罩设计与杂光分析
a reflecting telescope with an off-axis reflector.
带有远轴反射镜的反射望远镜。
Star-test results apply to the complete imaging performance of the telescope.
光轴矫正后的计算结果可以说明这个望远镜的性能。
hand-held passive binoculars
手持微光双目望远镜
Light also bends when it reaches the lens of a telescope.
光投射到望远镜的镜头时也会折射的。
Telescopes and microscopes are visual instruments.
望远镜和显微镜是光学仪器。
The mirror of an astronomical telescope forms at its focal point an image of a star on the axis of the mirror.
天文望远镜把在镜轴上的星体成象在焦点上。
A large sky area multi-object fiber-spectroscopy telescope
大面积多光区光纤光谱天文望远镜
Integrated optical-structural-thermal analysis of the Hα and white light telescope
Hα与白光望远镜的光机热一体化分析
Research on Sub-Telescopes' Beams Parallel and Path Difference Adjustment to the Optical Aperture Synthesis Telescope
光学综合孔径望远镜中子望远镜平行性和光程差调整的研究
A Method of Precisely Adjusting the Polar Axis of an Equatorial Radio Telescope
一种赤道式射电望远镜极轴的精密校准方法
Modification of altitude axis errors for 1 m aperture telescopes
1m望远镜俯仰轴系精度检测误差的修正
25-meter telescopes in the decimeter and centimeter wave bands, 10-meter wave band telescopes and advanced optical telescope terminal equipment will also be used.
二十五米口径的分米、厘米波段望远镜、十米波段望远镜以及先进的光学望远镜终端设备。
The Optical Characteristic Studies of Space EUV Solar Telescope;
空间极紫外太阳望远镜光学性能研究
Photometric Accuracy of the Xinglong 80cm Tsinghua-NOAC Telescope(TNT)
兴隆80cm TNT望远镜测光性能的研究
Thermal-structural-optical integrated analysis of segmented space telescope
分块式空间望远镜的光机热集成分析