About us

CEOS, founded in 1996 by Maximilian Haider and Joachim Zach, is concentrating on research, development and production of advanced optical components for electron microscopes. These include correctors for spherical, chromatic and coma-type aberrations and monochromators.

The company meanwhile has become the world's leading manufacturer of correctors for electron microscopes.

Explore the world of picometer scale microscopy by visiting our web pages.

If you want further information concerning the principles of electron microscopy don't hesitate to consult the basics!

About us


Electron Microscopy:

Seventy-five years after its invention, transmission electron microscopy has taken a great step forward with the introduction of aberration-corrected electron optics.

Prof. Knut Urban


Latest News


CEOS offers different positions. More

A new set of generalised oscillator strengths for EELS quantification by UMünster and CEOS * 23.08.2023


ESTEEM3 Final Info day * 23.04.2023

The ESTEEM3 project is successfully coming to More

CEOS endowed professorship for electron optics appointed *10.08.2022

CEOS GmbH has funded an endowed professorship for electron optics (W2) More

CEFID - First applications * 28.7.2022

First applications of our CEFID combined with a More

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