1. Achromatic objective : 4x,10X,40X (spring), 100X (spring, oil) 2. Wide Field Eyepiece: WF10X , (WF16X optional) 3. Viewing head :Sliding Binocular Head Inclined at 45 degree, 360° rotation 4. Nosepiece : quadruple 5. Stage : double layer mechanical stage size 140X140mm,moving range 75X45mm 6. Focusing : coaxial coarse and fine adjustment , focus r range 30mm, precision 0.002mm 7. Condenser : N.A=1.25 Abbe condenser &Iris diaphragm and filter 8. Illumination : LED light