An optical microscope (also known as a light microscope) is a scientific instrument that uses visible light and a system of lenses to magnify small objects and provide detailed images of them. Optical Microscope (OM) Model (BX51) produced by Olympus, Japan Company. It is one of the most widely used types of microscopes in laboratories, research facilities, and educational institutions. Optical microscopes are essential tools in biology, materials science, medical diagnostics, and many other fields.