And dark-field differential interference microscope DX70BD-DIC advanced laboratory microscope, to replace imported products infinity optical system inverted microscope eyepiece wide angle large, ultra-clear broad vision and dark-field epi-illumination and transmission illumination dual DIC contrast image clarity to interfere even stronger sense of relief work long infinity lens anomalies in large double vessel carrying the polarization switching stage with a turntable, lateral synchronous video output □ matter eyepiece and magnification Total magnification: 100 ×, 200 ×, 500 ×, 1000 × light and dark field objective ∞: 5 ×, 10 ×, 20 ×, 40 ×, may elect nosepiece: positioning the ball inside the five-hole big wide angle eyepiece: WF10 × / 22mm reticle eyepiece: 10 × zoom, the cell value 0.1 mm, depending on the degree of compensation micrometer C1: cell value 0.01 / 1mm □ technical parameters of binoculars: hinged, dip 45o, IPD 53-75mm, diopter adjustable ± 5D video output: Lateral synchronous optical output, standard interface mechanical stage: Large double bearing 242 * 200mm, 30 * 30mm disc coaxial mobile workbench: Φ130mm, rotate 360o, attached sample holder plate loading: Aperture Φ10mm, Φ20mm focusing mechanism: coaxial coarse jog, lift 30mm, trimming 2μm, focusing positioning and tensioning transmission Kohler illumination: Abbe condenser can lift NA1.25, collector built-in field diaphragm differential interference: 10 × DIC sliding group, 20 × DIC sliding Group polarizing device: push-pull, built-in analyzer and polarizer filter pack thrusters group: five positioning thrusters: Yellow / Green / Blue / Neutral / through the input power: AC220V / 50Hz / 60VA Instrument Quality: Volume 56 * 48 * 64Cm3, weight 13.7kg