Macro lenses, also known as close-up lenses, are filter attachments that can be easily screwed onto the respective lens. Their effect is comparable to that of reading glasses and is also measured in diopters. They enable macro photography with standard lenses. Unlike macro converters, the minimum focusing distance is not reduced; only the magnification ratio is changed. A significant advantage is that there is almost no loss of light. Macro lenses are a good alternative to high-quality and often very expensive macro lenses. Additionally, they are easy to transport and lightweight. The close-up macro lens set is made from high-quality glass. The set includes a protective case that shields the lenses from dirt and scratches.