Anel de extensão Mamiya M645 Auto Extension Ring No.2 usado

Mounted it on my M645 and the automatic diaphragm coupling works flawlessly, so I can shoot close-ups without losing metering or stopping down manually. Solid metal build, no wobble at all. For the price of a used ring, this thing genuinely feels like it'll outlast my camera.

The auto diaphragm coupling works flawlessly, so I can shoot macro handheld without fiddling with stop-down metering. It’s solidly built and locks on tight—exactly what you’d want for precise focus work.

Got this for close-up work with my M645 and the automatic diaphragm coupling works flawlessly, just like the camera's meter expects. Took a few test shots of a watch dial and the exposure was spot-on with no manual stop-down fiddling. Clean, solid metal build, exactly what I needed for macro.