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。
The right for the standard color, optical eyepiece with light regulation and focusing ability, easy to use.
再配上接目镜，让你拥有透过光学取景器取景所无法比拟的优势。
And having a screen in the eyepiece gives you all kinds of advantages you don't get when you're just looking through glass.
该机采用高倍率光学测量系统，装有旋转编码器的测微目镜可进一步提升测量过程自动化的程度。
The aircraft used high-rate optical measuring system, equipped with a rotary encoder of the eyepiece micrometer will further enhance the process of measuring the degree of automation.
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