Technical Specifications Observation head Binocular observation head inclined at 45°, rotate able through 360°, interpupilary distance adjustment ring 54-74 mm, dioptric adjustment ring on the left having adjustable dioptric scale. Main body All parts die casted to provide long life & good mechanical strength. Focusing Precise and Separate coarse and fine focusing controls with ergonomically placed knobs on both directions. Magnification Configurations: 40X, 60X, 100X, 150X, 400X, 600X, 1000X, 1500X Eyepiece Wide field 10x, 15x pairs Objectives Din objectives 4x, 10x, 40/45x s. L. 100x oil immersion (s. L.). Nosepiece Quadruple nosepiece revolves on ball bearing. Mechanical stage Co-axial low positioned mechanical x-y stage of size 120 x 125 mm with stage fine vernier graduation. Condenser Abbe condenser n. A. 1. 25 having a spherical lens, adjustable iris diaphragm. Illumination In built white bright LED Illumination with SMPS based power supply 100-220V.