The Caruba Step up/down Ring is a practical accessory for photographers who wish to use their lenses flexibly. With an inner diameter of 42 millimetres and an outer diameter of 52 millimetres, this adapter allows the use of filters and other accessories designed for a larger filter size. This is particularly useful for expanding creative control over image composition by enabling the use of various filters such as polarising filters or ND filters. The ring is made from robust material that ensures a long lifespan and provides a secure connection between the lens and filter. The use of the Step up/down Ring is straightforward and requires no special tools, making it an ideal addition to the equipment of photography enthusiasts. With this adapter, you can increase the versatility of your lenses and achieve various photographic effects without having to invest in multiple filter sizes.