BS ISO 9345:2019

This standard BS ISO 9345:2019 Microscopes. Interfacing dimensions for imaging components is classified in these ICS categories:

• 37.020 Optical equipment

This document specifies optically and mechanically related dimensions for imaging components of a microscope such as

1. the dimensions related to objective, eyepiece and tube lens,

2. the dimensions of screw thread types for connecting a microscope objective to the nosepiece, and

3. the diameters of interchangeable eyepieces and corresponding viewing tubes of microscopes.