Just like Nikon and several other companies, Sony Japan released their regular "demand exceeding supply" memo for the new a7r III mirrorless camera that was supposed to start shipping on November 30th (Google translation):
"The order received from Tuesday, October 31, the digital single lens reflex camera "α 7 R III" has received orders exceeding our expectations greatly, and it is time to receive time to deliver goods I will. For reservations up to the release date it will be delivered in order by early December."
Sony a7R III preorder links: B&H | Adorama | Amazon | WEX | Jessops | Park Camera.
Check out also Adorama's upgrade/trade-in program where you can get cash for your current camera or lens (you can get up to 70% credit that can be applied to purchase the Sony a7R III).
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The Sony A7r III instruction manual is now available for download