You could find two new videos of Sony Alpha a7RII that has recently been posted by A Chinese tester NTIMAGE where you could get more knowledge about the AF speed of Sony Alpha a7RII with Sony FE 70-200, A-mount 70-200 f/2.8, EF 70-200mm f/4L IS USM lenses. They also tested leaked Nikon F-mount to Sony E-mount lens adapter( will be announced soon) on Sony a7RII.
These are the conclusions of this Sony a7RII tests.
- Sony a7RII tested w/ FE 70-200mm f/4 G OSS lens: AF speed is very fast.
- Sony a7RII tested w/ A-mount 70-200mm f/2.8 G SSM II lensuse LA-EA3 adapter: The AF speed is almost same as use FE 70-200mm f/4 G OSS lens.
- When testing Eye Tracking
- A read asked high ISO performance on a7RII, the reviewer replied: “Depending on the firmware version is too low, the testers were instructed not to spread a high sense of evaluation results, but privately say the high ISO performance is only slightly inferior to a7S, but better than a7R, 5-Axis SteadyShot INSIDE Stabilization is very good.“