The Divevolk DLM15B Magnifier +15 set is a high-quality close-up lens set specifically designed for underwater photographers and videographers. You can use either 1pc or 2pcs together. The Divevolk DLM15B Macro lens is perfect for shooting close-up images of fish, corals, textures and more. The macro lens magnifies the subject and enables the camera to focus on short distances for creating super sharp images.