LED BIOLOGICAL MICROSCOPE - 40X to 1600X High level microscope with high resolution and transmission. Main features: - infinite optical system - wide field eyepiece WF 10X/20 - infinite semi-plan achromatic objectives 4X, 10X, 40X, 100X - Abbe condenser - backward quadruple nosepiece - double layers mechanical stage (size: 150x139 mm, move range 75x52 mm) - adjustable brightness - power supply: switchable 110-220 V, 50 Hz Manual: GB, FR, IT, ES, PT, DE. Focusing system: coaxial coarse and fi ne adjustment, fine division 0.002 mm, moving range 25 mm. Large operating space with backwardsnosepiece. Sharp Image with high quality objectives.