DIN ISO 8038-1-2006 光学和光学仪器.显微镜.物镜和相关目镜转换盘的螺纹.第1部分:RMS型螺纹(4/5in x 1/36in)
Optics and optical instruments - Microscopes - Screw threads for objectives and related nosepieces - Part 1: Screw thread type RMS (4/5 in x 1/36 in) (ISO 8038-1:1997);English version of DIN ISO 8038-1:2006