Dont have both cameras with me now but will try to borrow a 5D Mark III from a friend next week to do this comparison if got time.
Before trying out the 5D Mark III, i was quite happy with my 6D with the AF speed, though with some missed and blur shots. After trying out 5D III i now understand the key differences and benefits of the 5D III 61 points AF system. Super accurate and i get most shots spot on.
On paper, 6D is lighter in weight, but in real life, i can't feel much a difference though with the same lens attached.
Some great features i liked of the 5D III as compared to my 6D:
1) superb AF - more accurate not just for sports, but for kids running around. I also get sharper image than my 6D.
2) nice focusing screen that can switch to grid type, while 6D need to buy and change manually subject to scratches and dust
3) full 100% viewfinder for more accurate composition
4) better video qualities - much better than my 6D
5) dual card can use old CF in one slot and SD card for 2nd slot
Before trying out the 5D Mark III, i was quite happy with my 6D with the AF speed, though with some missed and blur shots. After trying out 5D III i now understand the key differences and benefits of the 5D III 61 points AF system. Super accurate and i get most shots spot on.
On paper, 6D is lighter in weight, but in real life, i can't feel much a difference though with the same lens attached.
Some great features i liked of the 5D III as compared to my 6D:
1) superb AF - more accurate not just for sports, but for kids running around. I also get sharper image than my 6D.
2) nice focusing screen that can switch to grid type, while 6D need to buy and change manually subject to scratches and dust
3) full 100% viewfinder for more accurate composition
4) better video qualities - much better than my 6D
5) dual card can use old CF in one slot and SD card for 2nd slot
Hmmm.... this is an interesting comparison. It would be useful if someone who owns both cameras could post comparison shots from both cameras.