A ring flash is a circular electronic flash unit that attaches around the front of a camera lens. It provides even, shadow-free frontal lighting, making it particularly useful for close-up, macro, and portrait photography.
Ring flashes are popular among photographers for capturing detailed subjects such as insects, flowers, or small objects, as well as for beauty and fashion photography where smooth, uniform lighting is desired. By minimizing harsh shadows and highlighting fine details, a ring flash helps create crisp, professional-quality images in controlled lighting conditions.