The Caruba Step up/down Ring is a practical accessory for photographers who wish to use their lenses flexibly. With an inner diameter of 40.5 mm and an outer diameter of 49 mm, this adapter allows for the use of filters and other accessories designed for different lens sizes. The ring is specifically designed for the Caruba brand and provides an easy way to ensure compatibility between various filter sizes. By using this adapter, users can expand the creative possibilities of their photography by attaching different filters, such as polarising or ND filters, to their lenses. The Step up/down Ring is lightweight and compact, making it an ideal companion for on-the-go shooting. It is made from durable material to ensure a long lifespan and provide a secure connection between the lens and filter. This accessory is an essential tool for anyone looking to enhance their photographic skills and maximise the versatility of their equipment.