“物镜”怎么读

“物镜”的英语可以翻译为：[物] objective，objective lens，object glass，field lens，object lens ...

望远镜的物镜必须精确置于中心上.The object glass of a telescope must be accurately centred.此物镜仅产生很小的散射光.This objective produces only very little scattered light.由单透镜组成的物镜可作目视和照相观测用.Objectives which consist only of one lens can be used f...