Microscopes are essential tools in science, enabling the detailed study of objects too small for the naked eye. Light microscopes, the most common type, use visible light and optical lenses to magnify samples up to 1,000x with a resolution of about 200 nm, making them ideal for studying cells and tissues. Fluorescence microscopes, often used in cell biology and immunology, utilize fluorescent dyes to highlight specific structures, offering targeted visualization and improved specificity. Electron microscopes, including Scanning Electron Microscopes (SEM) and Transmission Electron Microscopes (TEM), use electron beams to achieve magnifications up to 2 million times and resolutions as fine as 0.1 nm, making them indispensable for nanotechnology and materials science. Each type of microscope serves unique purposes, advancing fields from biology to nanotechnology.