The Caruba Step up/down Ring is a practical accessory for photographers that allows for flexible adjustment of lens filters. With an outer diameter of 28 millimeters and an inner diameter of 37 millimeters, this adapter provides the option to use filters of different sizes. This is particularly useful when working with various lenses or filters that have different diameters. The ring is designed to ensure a secure and stable connection between the lens and the filter, enhancing image quality and creative control over photography. Using the Caruba Step up/down Ring increases the versatility of your equipment without the need to invest in additional filters. This product is a valuable addition to any photographic kit and supports a wide range of applications, from landscape to portrait photography.