CONTAX 55/86 RING Lens Hood Ring CONTAX Genuine Metal Ring The CONTAX "55/86 RING" is a step-up ring for attaching 86mm filters and hoods to lenses with a 55mm filter thread. It is mainly compatible with the following lenses: Planar T* 50mm F1.4 (55mm filter thread) Planar T* 85mm F1.4 (55mm filter thread) Sonnar T* 135mm F2.8 (55mm filter thread) etc., generally all CONTAX/YASHICA mount lenses with a 55mm filter thread. In other words, by using the "55/86 RING", you can share **large-diameter 86mm filters and dedicated metal hoods (for 86mm diameter)** even with 55mm diameter lenses. This is a used item, so there are minor scratches. Please check the photos for details. Thank you. Please understand that there may be minor imperfections due to long-term home storage. Thank you for viewing. #K00971