AmScope 10X & 20X Stereo Boom Arm Microscope with Light + 5MP Camera 10X & 20X widefield stereo magnification powers Precise optics offers clear stereo images 9" very large working distance Versatile boom arm metal framework with side light 5MP camera captures high resolution images and streams live videos, compatible with Windows XP/Vista/7/8, Mac OS 10.6 & up and Linux