The right for the standard color, optical eyepiece with light regulation and focusing ability, easy to use.
其右边的为标准色颜色,光学目镜具有光线调节和调焦能力,使用方便。
Focusing eyepiece provides a sharp, easy-to-read scale, which is designed with semi-transparent blue background so you don't have to point the instrument in a certain direction to get your reading.
聚焦目镜提供了一个尖锐的,容易阅读的规模,这是设计的半透明蓝色背景,所以你不需要有指向仪在某一个方向使您读。
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