AmScope 40X-1600X Compound High Power Microscope + USB PC Camera 40X-1600X Precise glass optical magnification settings Sturdy metal framework w/ Separate coarse &amp; fine focusing Abbe condenser w/ Iris diaphragm and color filter holder 0.3MP camera captures still images and streams live videos Compatible with Windows XP/Vista/7/8, Mac OS 10.6 & up and Linux