Description The Levenhuk 850B is a biological binocular microscope with plano-achromatic optics for brightfield observations in transmitted light. It is used in various medical centers for urological, dermatological, biological, biochemical, anatomopathological, cytological, and general clinical laboratory examinations. The microscope is equipped with a 360º rotatable binocular head with a 30º tilt angle and a 4-objective nosepiece. The nosepiece with lenses is inward-facing, the user can see the lens inserted into the optical path, and the space above the stage is free. The interpupillary distance can be adjusted in a wide range. The scope of delivery includes 10-fold eyepieces with a field of view of 22 mm, which allow you to view a large area of the specimen. The focusing of the microscope is adjusted by coarse and fine adjustments. With the focusing knobs, the table can be moved vertically and horizontally along two perpendicular axes. The stage does not have a positioning frame. The low-positioned adjustment knob increases comfort for the user. The specimen holder is designed for two specimens. Thanks to the smooth focusing and the mechanism for moving the stage, it can be moved easily and effortlessly. The use of an LED light source increases the resolution of the microscope. The LED is mounted in the base, adjustable in brightness and has a long service life. The aperture and field aperture allows the Köhler lighting to be set up. The illumination is powered by an AC power supply (220 V power cord is included). Main features: Binocular head, digital camera mounted in one of the eyepiece tubes Magnification range: 40 to 1000x, planachromatic optics Abbe condenser, aperture and field diaphragm, Köhler illumination Microscope stage without positioning frame and with two specimen holders Coaxial coarse and fine adjustment mechanism LED illumination (transmitted light) with brightness control Retractable collector for easy LED replacement Mains power supply Scope of delivery: Microscope base, nosepiece, condenser, microscope stage, integrated transmitted light illumination and power supply Binocular head Plane achromatic objectives: 4-, 10-, 40-fold (spring-loaded), 100-fold (spring-loaded, oil) Eyepieces WF10-fold/22 mm (2 pieces) Blue filter Bottle with immersion oil AC adapter Dust cover Operating instructions Attention: Please refer to the table with the technical data for the correct mains voltage. Never try to connect a 110V appliance to a 220V outlet and vice versa without using a converter. In most European countries, the mains voltage is 220240 V; in the USA and Canada, it is 110 V. A few things you can look at under the microscope: The photo shows slides from prefabricated Levenhuk sample sets. The Levenhuk 850B microscope is equipped with Levenhuk Digital cameras compatible (not included). Levenhuk cameras are inserted into the eyepiece tube instead of the eyepiece.