Zoom stereo microscopes are equipped with continous magnification adjustment in the specified range. Usually bigger, more robust devices compared to educational stereo microscopes. We offer trinocual models which feature a camera interface. Many other accessories are available, like different illuminators. Among hobbyist many professionals can use them during their daily work. A couple of application field as an example: plant protection, entomology, parasitology, preparation of samples, electronics - soldering, precisious mechanics, turning-milling tool wear, numismatics, stamp collectors, banknotes, watchmakers, metallurgy, fracture and fatigue, mineralogy, jewellery, paper structure, restauration - conservation, painting pigments, art objects, microbiology, bacteria colonies, leginolla, agar plates and petri dishes, mycellium, spores, pollens, yeast, food safety