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.
您可以轻松地调节护目镜与眼镜之间的距离，从而可以适合戴眼镜的操作者。
You can easily adjust how far the BUG sits from your eyes, great if you wear glasses.
此款定焦式的望远镜没有个性化的目镜曲光镜调节。
This binocular is of fixed-focus type and has to be used with eye-glasses by anybody with visual defects.
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