Mamiya M645 Auto Extension Ring No.1 for 645 Super PRO TL M645J 1000s 645E (KKK)
F or Mamiya M645, M645 1000s, M645 Super, 645E, 645 PRO, 645 PRO TL and fits and works as a MANUAL lens only on the 645 AF & 645 AFD. Mamiya M645 Auto Extension Ring No.1. Extension ring only. In perfect working order.