TDR (Total station and Double mini prism survey Rod) system is a newly developed three dimensional industrial survey system using total station and mini prism as basic tools.
2
提出一种眼镜度数测量方法，利用位置探测器和3条光线实现对棱镜度、球镜度和散光度等镜片参数的测量。
A position detector and 3 beams of ray are used to measure the prismatic, spherical and astigmatic powers.
The lensometers is also called measural lens dioptre instrument, to measure spherical lens dioptre, cylindric lens dioptre and axis, prism dioptre, and lens optical center etc.
点击反馈