... , 58mm, 62mm, 77mm, 82mm d. We are factory 1. Name: in stock 37mm 58mm adapter ring2. Feature: 49mm-52mm adapter ring , adapter ... parts,casting parts and other machining service.We have enough stock for all size rings, 37mm, 46mm, 52mm, 58mm, 62mm, 77mm ... -52mm adapter ring , adapter ring for sony , 58mm adapter ring in stock 37mm 58mm adapter ring