The Caruba Reverse Adapter Macro Coupler is a high-quality lens filter adapter specifically designed for reverse mounting lenses on cameras. With an outer diameter of 58 millimeters and an inner diameter of 67 millimeters, this adapter allows for flexible use of various lenses to create stunning macro photographs. The adapter is made of durable metal, ensuring high longevity and stability. By using this adapter, photographers can creatively alter the perspective and focus of their shots by attaching the lens in reverse to the camera. This opens up new possibilities for close-up shots and capturing fine details. The Caruba Reverse Adapter Macro Coupler is thus an essential accessory for anyone looking to enhance their photographic skills and explore the world of macro photography.