UNICO LED Illuminated Polarizing Binocular Microscope w/ Paired 10x Eyepiece Plan Polarizing Objectives 10x 20x 40x Revolving Stage 90V-240V. Built on a universal platform this LED Microscope by the expert engineers at UNICO allows you to increase and decrease the focusing tension thanks to the low position fine and coarse coaxial focus system. The Unico Polarizing Illuminated Microscope has a built-in LED light source that is constructed with a field diaphragm that offers Koehler styled illumination. This Unico Binocular Microscope has a heavy duty mechanical rotating stage that uses a dovetail and ball bearings to offer extremely smooth movement. The Unico Illuminated LED Microscope is made with parfocal parecentered and color coated objective lenses that allow you to see extremely clear images. Specifications for UNICO G508 Illuminated Microscope 4x-100x: Head: Binocular Eyepiece: WFX10 Objective: Plan Polarizing 10x 20x 40x 100x (oil) Stage: Integrated Circular for Polarizing Condenser: Abbe NA 1.25 Illuminator: LED Features of Unico G508 Series Binocular Microscope: Seidentopf Head 5 Position nose piece WF10X/FN 18 High point eyepieces A pointer or reticule can be added Objectives are parfocal parecentered and color-coded The low position coaxial coarse and fine focusing system designed to lessen user fatigue The coarse focus tension control allows to increase or decrease the focusing tension The safety stop prevents damage to objectives and specimens The fine focusing is graduated at 0.002 mm Ruggedly constructed all metal stand and broad low profile base Heavy duty built-in mechanical stage uses ball bearings and a dovetail mechanism Low coaxial controls Built-in LED illuminator with field diaphragm provides Koehler type illumination for sharp images The brightness intensity control is conveniently located and provides steady even illumination at all levels Package Contents: Unico Binocular G508 Illuminated Circular Stage Plan Polarizing Microscope G508 G508: Unico G508 Binocular Polarizing LED Binocular Microscope - 10x Paired Eyepiece 10x 20x 40x Plan Polarizing Objectives 90V-240V Revolving Stage