Update: First image is now available.
Tamron will soon update their Tamron SP 150-600mm f/5-6.3 Di VC USD lens soon. The new version will be called Tamron SP 150-600mm f/5-6.3 Di VC USD G2 Lens.
Below is the full list of new camera and lenses rumored to be announced around Photokina 2016. Some has already announced, and some may coming shortly after Photokina 2016.