This is stopped down to f/5.6, and shot quite a bit slower.
Unfortunately (as you can see) there is a problem with the shutter.
(That dark line is the second curtain closing prematurely at slower speeds).
Therefore this beauty is off to Mr. Fleenor for an extensive CLA and rebuild.
When it comes back, however, it will be SO worth it.
Not since the Pentax 6×7 have I been this excited about a MF body.