Transmitted Light Microscope KERN OBS 111The school microscope for the first steps in microscopy and for use in biology lessons The KERN OBS range is a solid and simple school microscope range, which is easy to use due to its intuitive control elements The 0,5 W LED guarantees optimum illumination of the samples and also ensures long service life The simple 0,65 condenser lens ensures the very best concentration of light and illumination of the sample (condenser disc) To focus the object,