... a. MODEL: 9020 b. 58mm adapter ring c. in stock: 37mm, 46mm, 58mm, 62mm, 77mm, ... 82mm d. We are factory 1. Name: in stock 37mm 58mm adapter ring2. Feature: 49mm-52mm adapter ... ring , adapter ring for sony , 58mm adapter ring3. Machining: CNC Turning, CNC Milling ... , 82mm49mm-52mm adapter ring , adapter ring for sony , 58mm adapter ring in stock 37mm 58mm adapter ring