through the Nikon F-Mount - Tilting the 85mm PC Nikkor lenses
Tripod Ring for Nikon PC Micro-NIKKOR 85mm f/2.8D Tilt-Shift Lens
Amazon.com : iShoot Lens Collar Support Bracket, CNC Tripod Mount Ring for Nikon PC-E Micro NIKKOR 85mm f/2.8D Tilt-Shift Lens, Built-in Arca-Swiss Type 46mm Quick Release Plate for Arca Fit Tripod Ball