UNICO LED Illuminated Binocular Microscope w/ Seidentopf Binocular Head Paired 10x Eyepiece Plan Objectives 4x-10x-40x-100x Mech. Stage 90V-240V. This LED Microscope by the experts at UNICO is made with flawless optics the offer high resolution images. All of the objective lenses on the UNICO G502 100x Illuminated Binocular Microscope are parfocal parecentered and color-coded. The low position coaxial coarse and fine focusing system on this UNICO Binocular Microscope are designed to lessen the fatigue of the user while the safety stop prevents damage to objectives or specimens. The Unico G502 Microscope is built with a heavy duty mechanical stage that uses ball bearings and a dovetail mechanism. The built in LED illuminator on the Unico LED G502 100x Microscope has a field diaphragm provides Koehler type illumination for clear sharp images. The brightness intensity control on this UNICO Microscope is conveniently located and provides steady even illumination at all levels. Specifications for UNICO G502 LED Microscope - 4x 10x 40x 100x: Head: Binocular Eyepiece: WFX10 Objective: Achromatic 4x 10x 40x 100x (oil) Stage: Mechanical Integrated 150x140 Condenser: Abbe NA 1.25 Illuminator: LED Features of Unico G502 Series Binocular LED Microscope: Seidentopf Head Paired 10x Eyepiece Achromatic Objectives 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 Abbe condenser NA 1.25 with graduated iris diaphragm 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 G502 LED Illuminated 4x-100x Binocular Microscope G502 G504: Unico G504 Binocular LED Microscope - Illuminated Seidentopf Binocular Head Paired 10x Eyepiece Plan Objectives 4x 10x 40x 100x Mechanical Stage 90V-240V