Biological Microscope 1.Mechanical tube length:160mm 2.Conjugate distance of objective:185mm Biological Microscope Main Specifications: Achromatic objectives 4x, 10x, 40x, 60x, 100x, 63xs, 10xs(oil) Huygens Eyepieces:H5x,H6x,H10x,H12.5x,H15x,H16x Coarse adjustment range:50mm Fine adjustment range:1.8~2.2mm Condenser: Single lens condenser(NA=0.65), disk diaphragm Abbe condenser (NA0.65), ...