If you want to knwo how your A7, A7r or future A7s look inside watch the video above posted by Sony!
Meantime do not forget to preorder the new $799 [shoplink 26501 ebay]Mitakon 50mm f/0.95 FE lens on eBay (Click here)[/shoplink] if speed is what you need. You will still have to wait a couple of months before Sony-Zeiss will launch their first very fats prime.
Reminder: Up to $650 off on the Full Frame A7/A7r bundles at Amazon US (Click here) and Sony US (Click here).