Mamiya M645 Auto Macro Spacer No. 2 and 3 (Used)

Extension tube no. 2 and 3 made by Mamiya for turning the M645 80mm macro lens from 1:2 magnification to 1:1. Works as an extension tube with other Mamiya M645 lenses as well. Automatic diaphragm control is possible. Black metal body with silver bayonets. 

In good condition.