When using my older model Metabones adapter, the AF does not work on this particular lens, but the aperture control still does and the exif data transfers which is nice. I used the lens in manual focus mode and checked the focus accuracy by using the focus magnify tool/ feature that comes with the Sony cameras. I actually programmed it to the Custom 1 button just to the right of the shutter button on the top of the camera.
The Sony A6400 is proving to be a very fun camera to use and I enjoy the versatility of the Mirrorless system when it comes to using other lens manufactures lenses via lens adapters. I plan on testing out a few newer electronic lens adapters soon, so I will report back with an update on that as well in the upcoming weeks 😉