Amazon.com : (2 Pcs) 58-82MM Step-Up Ring Adapter, 58mm to 82mm Step Up Filter Ring, 58 mm Male 82 mm Female Stepping Up Ring for DSLR Camera Lens and ND UV CPL
52-58 mm szűrőmenet átalakító gyűrűk (bővítő) (meghosszabbítva: 3290922695) - Vatera.hu
Kent Faith step-up redukciós gyűrű 46-52mm - eMAG.hu
Amazon.com : (2 Pcs) 58-82MM Step-Up Ring Adapter, 58mm to 82mm Step Up Filter Ring, 58 mm Male 82 mm Female Stepping Up Ring for DSLR Camera Lens and ND UV CPL
Amazon.com : Altura Photo 49-52MM Step-Up Ring Adapter (49MM Lens to 52MM Filter or Accessory) : Camera Lens Filter Step Up Rings : Electronics