惠更斯目镜

  • 网络huygens eyepiece;huygenian eyepiece;H&HW
惠更斯目镜惠更斯目镜
  1. 二百五十多年前的惠更斯目镜今天还在广泛使用。

    The Huygens ocular , which dates back over 250 years is still in wide use today .