A. KR�SS Optronic GmbH - German based company producing high-precision optical measuring instruments.
https://www.kruess.com/
B&M Optik GmbH - Producers and suppliers of optical components spherical and aspherical lenses, planed optics and filters of all kinds.
https://www.bm-optik.de/en/
Fujinon GmbH - A German company that provides a range of medical and optical products.
https://www.fujifilm.eu/eu/
