Tilt/Shift Lenses: Focusing for Optimal Tilt Placement + Focus Peaking Assist
Get Nikon PC-E lens or Canon TS-E lens or Schneider PC TS at B&H Photo.
To my Tilt/Shift lens coverage in Making Sharp Images is added Focusing for Optimal Tilt Placement. Included is a discussion of the use of focusing peaking (with cameras that support it) to help place the zone of focus.