电子目镜

引入电子目镜与视频窗口，替代了观察显微镜操作，通过自动调焦解决了测定过程中由于显微镜焦距变化而影响测值的准确性问题。

By introduction of electronic eyepiece and video window to replace the operation of the observation microscope , by means of automatic focus adjustment to solve the problem of correctness of measured value influence by the variation of micro - scope focus in automatic measuring process .

系统由光源、光阑和聚光镜、标尺光栅、显微物镜及CMOS电子目镜组成，光栅图像进入PC机，采用软件进行细分。

Whole system included lamp-house , diaphragm and condenser lens , metrological grating , microscope objective and CMOS image sensor . The grating image transfer to PC by USB , and subdivide it by software .

对系统的关键性部件如照明系统、光栅、物镜和电子目镜的选用以及它们对系统性能的影响进行了分析。

The particular functions and the impact to the systemic performance of the critical elements such as lighting system , grating , field lens and electronic ocular are analyzed .