This is a professional grade trinocular microscope with high quality USB digital camera. It features reversed nosepiece, 3W LED bright illumination (brighter than 30W halogen light) and everything an advanced microscope have. It has the par-focal (also called simul-focal) function which means the image is focused through both eyepieces and the photo tube and no view switching is needed. The camera comes with advanced software that can make measurement of the samples and color, brightness, white balance and other settings are available. It can also take video clips for live samples through the fast USB2.0 port to share with others. This digital compound microscope is ideal for professionals and also affordable for students.