Eyepiece : Secured DIN WF 10x/18 mm with pointer Head : Monocular 30° inclined tube The digital versions are equipped with a 1.3 Mpixel ½ inch CMOS Color USB2 camera @ 1280x 1024 pixels Nosepiece Revolving quadruple forwarded nosepiece on ball-bearings Objectives Standard equipped with achromatic corrected 4x/0.13,10x/0.25, S40x/0.65,100x oil, All optical parts are anti-fungus treated Stage Plain 123 x 119 mm stage. 2 object clamps Condenser In height adjustable Abbe condenser Focusing adjustment Coaxial coarse and 200 μm fine adjustments, 2 μm precision Friction adjustment Illumination 1 W intensity adjustable LED illumination with internal power supply, no batteries Software ImageFocus capture & analysis software is supplied with each digital microscope model The software is compatible with Windows XP, Vista, Windows 7 & 8, both 32 and 64 bits platform 5 year manufacturer warranty