We already know that are there two kinds of microscope, the simple microscope and the compound binocular microscope. Simple microscope consists of one lens only or a combination of such. The likes of our magnifying glass could be considered a simple microscope. Although simple microscope apparently does not offer so much, this type of microscope is also capable of fine work. With the help of simple microscope the great Dutch microscopist Antoni van Leeuwenhoek had made a wonderful microscope experiment such as seeing the likes of bacteria and single celled animals. On the other hand, the compound binocular microscopes were invited almost as the same era of that of early telescope. These microscopes contain eyepieces, which technically called as ocular lens and the second lens, known as an objective. Compound binocular microscopes have also an illumination system that directs a light, came from either by natural light or light that comes from a bulb, with the help of a condenser lens to the sample be examined or observe. Between the simple and compound binocular microscopes, in most of our microscope experiments in school, we usually use compound binocular microscopes. The compound binocular microscopes present to us a much wider and broad details about the secret world of organisms that exist around us and within us. Together, let us explore the wonder of compound binocular microscopes.