Optical system Greenough Tube type Binocular Ocular magnifications 10 x Ocular visual field 20 mm Magnification ratio 6,4:1 Zoom [Min] 0,7 x Zoom [Max] 4,5 x Illuminance Reflected light Illumination type incident light LED Illumination intensity incident light 3 W Working distance 105 mm Sample height [Max] 140 mm Field of view [Min] 28,6 mm Field of view [Max] 4,4 mm Objective zoom 0,7 x / 4,5 x Product family OZB-MMeer tonenMinder tonen