The new series B-350 includes six models featuring achromatic, planachromatic and infinity corrected plan objectives. Due to the variety of its microscopes, it can be used both in advanced teaching situations and in laboratories. They are equipped, depending on the various models, with two different types of optical system: 160 mm standard and infinity corrected system (IOS). In both cases the field diameter of the system is 20 mm. Microscopes are available in binocular and in trinocular version suitable for photography/video applications.