This is the late the Pro-S prism for the RB cameras with the locking release. It fits on all versions of the RB67 as well as the RZ67.
There is a chip on the underside of the prism body, along with a dent on the shutter speed dial and the ASA part of the dial is missing. The nameplate is also missing.
This is an as is sale with no returns.
SKU: 260303MK-17