BS ISO 9345:2019规定了显微镜成像部件的光学和机械相关尺寸，如asa）物镜、目镜和管透镜的相关尺寸，b）将显微镜物镜连接到鼻镜的螺纹类型尺寸，以及c）可互换目镜和显微镜相应观察管的直径。交叉引用:ISO 10934-1ISO 8039购买本文件时可获得的所有现行修订均包含在购买本文件中。

BS ISO 9345:2019 specifies optically and mechanically related dimensions for imaging components of a microscope such asa) the dimensions related to objective, eyepiece and tube lens,b) the dimensions of screw thread types for connecting a microscope objective to the nosepiece, andc) the diameters of interchangeable eyepieces and corresponding viewing tubes of microscopes.Cross References:ISO 10934-1ISO 8039All current amendments available at time of purchase are included with the purchase of this document.