This test is using a per-production version of the Sony A6300. Jason is able to show us the back of the screen of the A6300 while focusing the camera with different lenses.
During this test with the Sony A6300 using a Metabones Mark 4 Adapter Jason used the Canon 50mm f/1.2, the Canon 85mm f/1.2, and the Canon 135mm f/2 lenses.