This dovetail-style plate attaches to the bottom of the Tiltaing Sony a7/a9 series camera cage to provide the correct mounting hole placement and 15mm rod-to-lens camera height for the Sony a7S II/a7R II/a7R III cameras.
In the Box
Tilta Bottom Plate for Sony a7S II/a7R II/a7R III (Tilta Gray)