GZX-PLC-165C ZOOM STEREO BINOCULAR MICROSCOPE WITH CO-AXIAL ILLUMINATORS The upgraded model in corporate Co-Axial optical illumination system, simple plain base and co-axial coarse & fine focussing system, Eye piece (one pair) :SWH-10X (High eye point wide field). Magnification Range: 1X to 6.5 X Mag Range 10x to 65x (without supplementary lense attachment).