Primo Star iLED Digital Microscope for Tuberculosis Analysis from Carl Zeiss

In 1882, Robert Koch discovered Mycobacterium tuberculosis, the pathogen that causes tuberculosis. Here is another substantial technology contribution from Carl Zeiss to the battle against infectious diseases: Primo Star iLED, the new tuberculosis test microscope.

Primo Star iLED is the flexible solution for tuberculosis test applications with LED fluorescence excitation and transmitted-light brightfield illumination.

Your Decision

Decide for yourself if you want to analyze tuberculosis with Ziehl-Neelsen-Staining or if you like to use fluorescence excitation, e.g. with Auramine O dye. Primo Star iLED gives you the opportunity: simply switch between the two modes.

Special Price for Countries Most Affected by the Disease

The microscope Primo Star iLED is the result of a cooperation between Carl Zeiss and the Foundation for Innovative New Diagnostics (FIND). Primo Star iLED will be offered at an especially beneficial price to 74 "highest priority countries".


An important component for fast and efficient testing

  • Reflected-light fluorescence
  • Rapid switching from fluorescence excitation to brightfield illumination
  • Economical LED concept
  • Battery pack for operation without a main power supply
  • Special eyecups eliminate the need for a dark room during a tuberculosis test
  • Simple to operate
  • Durable and robust
  • Tried-and-tested Carl Zeiss optics made from high-quality glass
  • High-quality materials
  • Worldwide support from Carl Zeiss


Primo Star iLED is the result of a joint project between the Foundation for Innovative Diagnostics (FIND) and Carl Zeiss. Through the targeted promotion of diagnostic innovations, the Swiss foundation FIND has set itself the objective of combating the spread of dangerous infectious diseases.

At Carl Zeiss, the battle against these diseases has a tradition dating back to Robert Koch’s groundbreaking discovery. To this day, the company continues to set the standard with commitment and expertise in the struggle against deadly infectious diseases.

Its efforts in this area have enabled Carl Zeiss to come up with the LED-based fluorescence microscope Primo Star iLED, developed specifically for tuberculosis test applications and based on the powerful routine microscope Primo Star.

The success of this collaboration between FIND and Carl Zeiss is plain to see: Primo Star iLED is offered at a particularly favorable price to public health services customers in the 22 high burden countries as defined by the WHO.


Auramine staining for tuberculosis diagnosis with fluorescence microscopy and Primo Star ilED

In this video tutorial Dr Harald Hoffmann, MD and head of the WHO-certified supranational reference laboratory IML in Gauting, Germany, demonstrates how to stain smear preparations for diagnosis of tuberculosis with fluorescence microscopy and ZEISS Primo Star iLED.

ZEISS Primo Star iLED - Auramine staining for tuberculosis diagnosis

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