Canon EOS 7D Mark III will be the first APS-C DSLR camera from Canon, according to CR, the 4K video feature of upcoming EOS 7D Mark III will be slight crop. For the frame rate, 7D Mark III will be 4K at 30p and 1080p at 60p.
Below is the wishlist of Canon EOS 7D Mark III:
1. Better AF tracking.
2. Improved video.
3. Improved base ISO raw dynamic range.
5. AF Auto Fine Tuning
6. Built-in WiFi.