This is a Mamiya M645 Prism Finder.
This finder works and mounts just as it should and shows normal wear. It does, however, have the derteriation of the foam inside that looks like scotch tape in the middle. It does not intefere with anything, but it is annoying. Because of that I selling AS IS.
WE SHIP IN 1 BUSINESS DAY as well we package professionally. We are interested in BUYING your photographic equipment as well. We are Camera Exchange located in Waterford, Michigan.