A loupe is a small magnifying glass used by jewelers, watchmakers, and hobbyists to closely examine fine details of objects. Typically, it is handheld and provides a magnification of 10x or more, allowing users to inspect gemstones, intricate designs, and small components with clarity. Loupes come in various designs, including those with built-in lighting for enhanced visibility. They are essential tools in fields such as jewelry making and watch repair, where precision is crucial. By using a loupe, professionals can ensure quality and craftsmanship in their work, making it an invaluable instrument in many trades.