Professional microscope, ideal for research, higher education and routine work in clinical laboratory work. Its stage allows fine and smooth movement control. Its LED illumination has long useful life and the diopter adjustment (on one eyepiece) let you compensate for the differences between your own two eyes. Used to observe cellular alterations in areas such as histopathology, epidemiology, medicine, biomedicine, biotechnology, etc. Product Specifications: EYEPIECES PL 10X/18 mm with ± 5 mm diopter adjustment in one eyepiece. HEAD Binocular Siedentopf type, 30° inclined with interpupillary distance adjustment between 50 in 75 mm / 1.96in- 2.95in. NOSEPIECE Quadruple nosepiece with anti-slip ring and click-stops, mounted on high-tension ball bearings. OBJECTIVES 4X, 10X, 40X (S) and 100X (S) (oil), achromatic optics and color ring for easy identification. STAND Stative, robust and reinforced with epoxy paint finish. STAGE Two-Layer stage with X-Y coaxial movement, 5.51in x 5.19in, vernier, millimeter scale ( 3.46in x 2.36in), clamp and height adjustment with stop. CONDENSER Abbe, N.A. 1.25, with height adjustment . DIAPHRAGM Iris with filter holder. FOCUSING Coarse and fine anti-slip control knob with 0.002 mm precision and tension adjustment. ILUMINATION 3W LED with intensity control. POWER SUPPLY 110-240V, 50/60 Hz, AC Adapter. Accessories included: Power cord. Dust cover. Immersion oil.