AmScope 40X-2500X Professional Laboratory Biological Microscope + 5MP Camera Plan infinity optical system offers crisp clear sharp images 40X-2500X Eleven extreme widefield magnification settings Backward nosepiece configuration allocates spacious space for comfortable operation and observation Wide band voltage (90-240V) Kohler halogen illumination with iris condenser 5MP digital camera with advanced editing &amp; measuring software for Windows XP/Vista/7/8/10