Feature●Product from a German specialist retailer●26 mm - 30 mm filter adapter ring / step-up adapter●Material: high-quality aluminium (matte black anodised - protects lens filter threads 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 decisiveDescription With this adapter you can use all filters, sun visors and lens attachments with 30 mm thread on lenses with 26 mm filter thread.