Fully advanced version of Research Binocular microscope with 45° binocular head. Quadruple revolving nosepiece moving on ball bearings. Special graduated mechanical stage with coaxial system guides of balls. Provided with coaxial guide ways focusing system for coarse & fine adjustments coupled with knob tension control ring. A high transmission condenser set NA 1.25 with iris diaphragm and swing out filter holding ring. Unit is adjustable through rack & pinion. Base with built-in halogen illumination 6V 20W with light intensity controller. Packing in thermocol box & wooden box with complete accessories. Objective: DIN 4x, 10x, 40x & 100x (oil) Eyepiece: WF 10x or 15x (Any pair) Magnification: 40x to 1500x.