Chromatic Aberration — usually associated with objective lenses of refractor telescopes, is the failure of a lens to bring light of different wavelengths (colors) to a common focus.
色差-经常在折射望远镜的物镜上出现，是因为透镜不能把不同波长(颜色)的光聚焦到一点而形成的。
The design methodology of miniature linear zoom objective lens of far-focus is presented.
介绍远焦小型变焦距物镜的设计原理及方法。
To detect whether a substrate is in a focal plane of an inspection apparatus, an optical focus sensor is arranged to receive a radiation beam via an objective lens.
为了探测衬底是否处在检查设备的焦平面上，一种光学聚焦传感器被布置为通过物镜接收辐射光束。
应用推荐