Feature●New product from a German specialist retailer●57 mm - 55 mm filter adapter ring / step-down adapter●Material: high-quality aluminium (matte black anodised – protects lens filter thread and accessories from wear and prevents unwanted reflections).●Very good quality, perfect fit and easy to install.●Compatibility: no brand-dependent restrictions – only the filter diameter of the lens is decisive.Description With this adapter, you can use all filters, sun visors and lens attachments with 55 mm thread on lenses with 57 mm filter thread.