The ME41 digital microscope integrated with an infinite optical system, is equipped with wide field eyepieces, long working distance plan achromatic objectives, long working distance condenser. Ergonomics design and easy to operate. ME41 Specifications?Eyepiece?Wide field WF10X(field number:|?22mm) Centering telescope, Infinity and long working distance plan achromatic objective, Objective? PLL 10X0.25 Work distance?4.3 mm Cover glass thickness?1.2mm. PLL 20X0.40 Work distance?8.0 mm Cover glass thickness?1.2mm. PLL 40X0.65 Work distance?3.5 mm Cover glass thickness:1.2mm, Phase Contrast Objective? PLL 10X0.25 PHP2, Work distance?4.3 mm Cover glass thickness?1.2mm, Eyepiece tube? Inclination angle is 45° and interpupillary distance is 53-75mm. Nosepiece?Quintuple nosepiece, Stage? Fixed stage overall size is 227mmX208mm, Glass rotundity stage overall size is 118mm, Mechanical moving device, moving range is 77mm (longitudinal)X114mm (transverse), Culture dish holder 1 Inside locating slot size: 86mm (W)X129.5mm (L), optional with a circular culture dish ?87.5mm, Culture dish holder 2 ?Inside locating slot size: 34mm (W)X77.5mm (L), optional with a circular culture dish.