Product Name: Biological MicroscopePlace of Origin: ChinaFeatures: 1) Achromatic objectives: 4x, 10x, 40x (s), 100x (s, oil) 2) Eyepiece: P10x 3) Nosepiece: quadruple 4) Double layer mechanical stage: a) Size: 140 x 140mm b) Moving range: 75 x 45mm 5) Focusing: coaxial coarse and fine adjustment 6) Focusing range: 30mm 7) Focusing interval: 0.002mm 8) Illumination condenser: condenser NA=1.20, 6V / 20W 9) Halogen lamp, with adjustable brightness 10) Power: AC input 110 / 220V, DC output 6V