-Seidentopf Binocular Viewing Head, Inclined at 30°, 360° Rotatable, Interpupillary 48-75mm -Eyepiece: WF10X/18 -Nosepiece: Quadruple Nosepiece -Objective: Plan Achromatic Objective 4X, 10X, 40X, 100X -Coaxial Coarse and Fine Adjustment, Fine Division 0.002mm, Coarse Stroke 37.7mm per Rotation, Fine Stroke 0.2mm per Rotation, Moving Range 20mm -Double Layers Mechanical Stage132X142mm ，Moving Range 75X40mm -Abbe Condenser NA1.25 with Aperture Diaphragm -S-LED Illumination, Brightness Adjustable