• We have developed this series specially for general applications with phase contrast method. In addition, the stable, modular construction system of the OBL series offers many more options • A strong and continously adjustable 20W halogen illumination unit (Philips) ensures the optimum lighting conditions • A special fixed, pre-centred phase contrast condenser with aperture diaphragm as well as field diaphragm which can be focused to a height give you a simplified Köhler illumination and thereby a powerful phase-contrast display of your sample • The large mechanical stage table and its specimen holder holds up to two samples at the same time and is quick and easy to focus using a coaxial coarse and fine focusing knob on both sides • A large selection of eyepieces, objectives and colour filters, a simple polarising unit as well as further phase contrast units are available to you as accessories • A protective dust cover, eye cups, as well as multi-lingual user instructions are included in the scope of the delivery • A C-mount adapter is required to connect a camera to the trinocular version. You can select this adapter from the following model outfit listScope of applicationHaematology, urology, gynaecology, dermatology, pathology, microbiology and parasitology, immunology, oncology, entomology, vets, sewage treatment plants, water analysis, breweriesApplications/Samplesspecially for extremely translucent, thin, low-contrast, challenging samples (e.g. living mammal cells, bacteria, tissue) with phase contrast