倍率计
倍率计是一种测量望远镜放大倍率的仪器。它通常是一个双图像测微器（千分尺），用于测量物镜成像图像的直径。通过将玻璃的实际直径与玻璃图像的测量直径进行比较，可以找到放大倍数。
参考资料
[编辑]- Dictionary entry （页面存档备份，存于互联网档案馆） for dynameter.
- The DYNAMETER, archived from the original
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