The GX series is the first inverted metallurgical microscope range offered by Olympus with infinity-corrected optics. These instruments produce excellent image quality and feature a modular design, enabling users to construct configurations specific to their needs.

GX71 - Primarily intended for research use, the GX71 features a super-wide field, zooming, erect image and a mirror cube turret for brightfield, darkfield, DIC, polarized light, and fluorescence observation.

GX51 - Designed for more basic applications in research and inspection, the GX51 has a single lever switchover for brightfield/darkfield observation, and the ability to add many optional features.