Bernd Smid from our A7rIII group tested the [shoplink 65175 ebay]Nikon 400mm f/3.5[/shoplink] autofocus performance using the [shoplink 65176]Techard adapter[/shoplink]:
And here is an autotofocus test with the Canon 85mm:
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Sony A7rIII at Amazon, Bhphoto, Adorama, BuyDig, FocusCamera, Calumet DE, Wex UK. Photo Porst Neuwied. Sony Netherland. Sony Australia. Sony Japan.
Sony 24-105mm at Amazon, Bhphoto, Adorama, BuyDig, FocusCamera, Amazon DE, Calumet DE, Wex UK.
Join the A7rIII facebook group to discuss the camera features and tests.