Light Measurement. Redefined.

Our GL Optic division develops, manufactures and supports a spectrum of precision light and radiometric measurement solutions for a broad range of applications. Sold and serviced worldwide, our systems are comprehensive, intelligently designed and intuitive to use.


GL Optic solutions are ideal for applications such as:

  • customer verification of luminaire, viewing area or light booth performance
  • lighting audits and system tuning by installation and service personnel
  • design, test and inspection of light components, assemblies, luminaires, systems
  • calibration and performance testing of cameras and sensors
  • horticulture, aquaculture, poultry farming, circadian related, biohazard/biosafety


Products include: spectrometers, integrating spheres, goniometers, programmable LED & reference light sources, thermal & electrical controllers, and analytical software.

LEDs testing spectrometer

Do not hesitate to contact us:

Abdel H. Naji

Sales & Marketing Director
Telephone: +49 7023 9504-30

GL OPTIC light measurement devices