Rokunar Tele Converter 2x Teleconverter for Mamiya 645 + Super Pro TL
$39.95 USD
Here's a high quality 2x teleconverter for Mamiya 645. It doubles the focal length of your lenses while maintaining full integration between the lens and camera body.
It is in excellent condition with light wear and works perfectly. The glass is clean and scratch-free with no haze, fungus, nor other issues. The mechanical movements are smooth.